Translation of the original user manual

www.aat-online.de

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EN2021-03 (6.1)

Translation of the original user manual

picture shows accessory 'seat belt system including a hip belt‘

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� Spare parts � Repairs processing � Technical advice � Product seminars

� Show room exhibition devices � Re-use � Complaints � Loaner devices

With our professional service concept AAT proves once again its superior quality standards and offers its clients an all-inclusive package.

We are there for you!

AAT service conceptCustomer service at its best

AAT Alber Antriebstechnik GmbHEhestetter Weg 11 · D-72458 AlbstadtPhone: +49.(0) 74 31.12 95-0Fax: +49.(0) 74 31.12 [email protected] · www.aat-online.de

Assembly team

Phone +49.(0) 74 31.12 95-555Phone +49.(0) 74 31.12 95-557Fax +49.(0) 74 31.12 95-558E-Mail [email protected]

New devices


Head office

Phone +49.(0) 74 31.12 95-0E-Mail [email protected] www.aat-online.de

Service and repairs


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The stair climber CR23 has been successfully tested by TÜV Süd Product Service GmbH in Hanover according to ISO 7176-28.

The product is state of the art and complies with the associated technical safety requirements. Nevertheless, a low level of residual risk cannot be ruled out. Please observe the safety instructions to this end.

All serious incidents occurring in relation to the device must be reported to the manufacturer and to the competent authority of the Member State where the user and/or occupant is established.

WARNING

Failure to observe this user manual, in particular the safety instructions, can lead to defects in the CR23, endanger the operator and the occupant and impair function! There is an increased risk of injury! In the event of an infringement, claims for warranty and liability are excluded!

People with visual and reading impairments or intellectual disabilities should print out the user manual available on the website in enlarged letters or have this manual read to them, if necessary. You will also find all safety-relevant changes that have been made to the user manual on our homepage. All versions with details of the production period of the product are available at:

www.aat-online.de/gb/um/CR2303

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Table of contents

1 Symbols and safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

2 Explanation of the symbols on the package . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

3 Explanation of the symbols on the device . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

4 Description of the product . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94.1 Device overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94.2 Type plate incl. serial number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114.3 Intended purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114.4 Intended patient population . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114.5 Medical requirements and indication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124.6 Contraindications and restrictions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124.7 User group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124.8 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134.9 Dimensional sketch CR2303/CR2313 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144.10 Scope of delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154.11 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

5 Folding and unfolding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165.1 Seat unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165.2 Assemble the head rest (optional accessory) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165.3 Pull out the telescopic frame (optional accessory). . . . . . . . . . . . . . . . . . . . . . . . . . 17

6 Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176.1 Adjust the handles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186.2 Insert the battery pack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186.3 Turning on the device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196.4 Neutral position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196.5 Checking the safety brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206.6 Single step mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206.7 ComfortStep . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216.8 Check capacity of the batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

7 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227.1 Position of the occupant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227.2 Drive on level ground / overcoming obstacles . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247.3 Tilting the stair climbing system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247.4 Operation on a slope. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257.5 Climbing - upstairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267.6 Climbing - downstairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277.7 Laying the device down on the stairs / emergency stop function . . . . . . . . . . . . . . . . . . 287.8 Parking. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287.9 Transportation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

8 Care and maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 298.1 Battery pack and charger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 308.2 Check the lining of the brakes, climbing feet and gilding strips . . . . . . . . . . . . . . . . . . . 328.3 Cleaning and desinfection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 338.4 Replacing fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 348.5 Safety check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 348.6 Change of operator / re-use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 348.7 Recycling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 358.8 Long-term storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

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1 Symbols and safety instructions

DANGER – Immediately imminent DANGER If not avoided, this will result in death or severe physical injuries!

WARNING – Possible imminent DANGER If not avoided, this may result in death or severe physical injuries!

CAUTION – Possible imminent danger or harmful situation If not avoided, this may result in minor bodily injuries or damage to property!

i NOTE – Manufacturer’s information

General safety instructions

i NOTE

In the event of debility of sight, this user manual can be downloaded at: www.aat-online.de/gb/um/CR2303

Read the user manual prior to start-up and observe the warning notices and safety instructions.

In the event of reading difficulties, training contents must be broadened verbally.

The user manual must be kept in a safe place after reading.

Contains some flammable materials. Keep the CR23 away from sources of ignition.

CR23 can interfere with highly sensitive electromagnetic fields of other electronic devices (e.g. anti-theft devices).

Stability tests were performed under laboratory conditions. CR23 can behave differently under real conditions compared to laboratory tests.

Training courses may only be done by the manufacturer or authorized personnel.

CAUTION

External heat sources may cause the surface temperature to rise (e.g. sunlight)! In such case, surfaces may inflict burns - do not touch!

9 Malfunction and trouble shooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

10 Warranty and liability. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

11 Corrective actions / product recall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

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Symbol Explanation

Handle with care!The packaging including the product must be handled with special care.

Protect from moisture!Protect the packaging including the product from excessively high air humidity. Cover during storage. Carefully cover with a tarpaulin, if necessary.

Caution fragile!Handle the packaging including the product carefully and never allow it to fall.

This way up!The packaging must be stored and transported in such a way that the arrowspoint upwards at all times. Any failure to comply with this rule, such as rollingor tilting the package, must be avoided.

2 Explanation of the symbols on the package

WARNING

Never touch rotating or moving parts to avoid crushing of fingers and hands!

DANGER

CR23 must not be operated in the case of severe visual impairment and/or blindness!

Do not exceed the approved total weight and the maximum person weight, as this may lead to defects or overloading of the CR23!

Do not use in rain, wet, snow or ice as the restricted braking capacity may cause slipping!

Do not use on travelators or escalators as doing so may risk physical injury and/or material damage as a result of crashing or the occupant falling out of the seat.

The operational capability of CR23 can be influenced by electromagnetic fields (e.g. by mobile phones, electric generators or high-voltage sources)!

Do not store near medical devices, for example with a life support function, and diagnostic devices, as these may malfunction!

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3 Explanation of the symbols on the device

Symbol Erklärung

CE marking Location: type plate The product complies with the relevant provisions of the EC Regulation EC 2017/745 (MDR)

20XX

Date of manufacture Location: type plate Indicates the year the medical device was manufactured.

Manufacturer Location: type plate Shows the manufacturer of the medical device (AAT Alber Antriebstechnik GmbH)

SNSN Location: type plate Serial number of the product e.g. CR2303XXXXXX / CR2313XXXXXX

Medical Device Location: type plate

Observe the user manual! Location: type plate The user manual must be observed! (www.aat-online.de)

Attention! Location: type plate Refers to the need for the user to review the user manual and important safety-related information.

Barcode Location: type plate Contains the AAT serial number

Technical safety test badge (refer to chapter Technical safety test) Location: drive unit, left side Informs about the due date of the next technical safety test

TÜV-Süd marking Location: drive unit, above keypad Indicates that the product has been successfully tested at TÜV Süd Product Service GmbH according to the standards DIN EN 12182, DIN EN 12184 and the applicable parts of ISO 7176.

Lable with notes Location: Battery pack

Observe the user manual! DANGER - Parts in motion! Operation only by one trained person! Activate safety brakes on the stairs and check them before each use! Observe max. load!

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Label UP / DOWN Location: UP / DOWN switch on control unit Indicates the driving direction (see chapter „Climbing upstairs and downstairs“)

Label notice - No handle Location: C-part, below seat, rear of the drive unit. DANGER Parts in motion

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4 Description of the product4.1 Device overview

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Control unit

Handle, adjustable

Main wheel

Lever with chain drive

Climbers and climbing feet

Safety brake

Battery display

Single step switch

ComfortStep

Battery pack

Safety interlock of the battery pack (release button)

LED to display the error codes

Helix cable

Tightening screw for the handle

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Speed control

Safety chip

ON/OFF switch

UP/DOWN switch

Back rest

LED for safe operation in lowlight situations

C-part (with seat unit)

Foot rest with feet belt

Release button for the C-part with seat unit

Steering rollers

Hip belt

Type label with serial number

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Manufacturer‘s information:For a simplified assignment of the individual components, the numbers listed here are cited in full for the first time in the following chapters.

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4.2 Type plate incl. serial number

Product / Model

Max. Load

Battery

Charging Voltage

Operating Voltage

Rated Power

Barcode (see chapter 3)

Serial number (see chapter 3)

Symbols (see chapter 3)

Manufacturer‘s address

4.3 Intended purpose

The stair climbers are guided manually and are operated by an operator.

They make it possible to transport a single person with reduced mobility safely over stairs, upwards and downwards. The products have been designed for indoor and outdoor use, and moving on spiral stairs and slopes is possible, too.

4.4 Intended patient population

The intended patient population includes all persons who are able to sit independently and have a maximum body weight corresponding to the technical specification of the respective model and variant (max. 230 kg).

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4.5 Medical requirements and indication

The patients must be able to sit independently. Secure persons, who cannot sit on their own, with belts (see Accessories). This keeps the occupant from falling out!

The manually guided stair climber assists the accompanying person while transporting the patient over stairs or slopes, upwards and downwards. The use of the stair climber is intended for patients who are not able to move by themselves and accompanying persons who do not have sufficient physical endurance and strength to move the patient over stairs or slopes.

The CR23 is used to transport patients with a weight of more than 140 kg (maximum patient weight: 230 kg).

4.6 Contraindications and restrictions

The stair climbers must not be used if:

- the operator has obtained no training/instruction for the product!

- the operator is below the age of 16!

- there is no supervision for minors of at least 16 years of age!

- the operator is not physically and mentally able to operate the stair climber safely!

- more than one person shall be transported simultaneously!

- the person to be transported cannot sit upright unaided!

- the operator does not have adequate eyesight!

- the braking effect is reduced due to rain, wet conditions, snow or black ice!

- the one-side and/or two-side braking effect of stair climber does not set in!

- escalators or travelators shall be overcome!

- medical devices with e.g. a life support function, and diagnostic devices are in the proximity!

- it is not used according to the intended use!

4.7 User group

The stair climbers are intended for the use by:

- medical staff,

- healthcare professionals,

- driving services, and laymen

Users are trained in the use of the device by means of a training course.

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4.8 Technical data

WARNING - The approved total weight may not be exceeded because it can lead to malfunction or cause an overload of the CR23!

i NOTE - Observe the technical data.

Technology CR2303 / CR2313

Measurements See chapter „dimensional drawing“

Weight Climbing unit = 34.9 kg, Handle unit = 2.3 kg, Battery pack = 4.3 kg Total weight without battery pack = 37.2 kg

Total weight approved 271 kg

Max. weight of the person (max. load) 230 kg

Climbing speed1) 8 - 21 steps / minute, continually adjustable

Range with one charge of the batteries - with an average load of 75 kg1) approx. 25 floors (corresponds to approx. 375 steps)

Range with one charge of the batteries - with a maximum load1) approx. 5 floors (corresponds to approx. 75 steps)

Maximum height of step 210 | 225 mm (extended climbing height)

Minimum depth of step2) 140 mm

Necessary step width (straight stairs) Width CR23 + 100 mm

Minimum platform size (U-shaped stairs) 1350 x 1350 mm

Minimum radius of spiral staircases 1350 mm

Minimum depth of step (spiral staircases)2) 140 mm

Maximum gradient of the stairs 60.3°

Tilt stability In driving direction 3.7° / against driving direction 2.7 °

Batteries 2 x 12 V / 5 Ah (gas-proof)

Direct current motor 24 V / 275 W

Operating force UP/DOWN-switch 3-8 N

Direct operating force max. 350 N whilst climbing downstairs (chapter 7.6)

Noise level < 70 dB

Storing/operating temperature, device -40° C to +65° C / -25° C to +50° C

Storing/operating temperature, batteries -20° C to +65° C(3) / -25° C to +50° C(3)

Charging temperature, device 0° C to +40° CHeight operating range (NHN, normal height null) < 3.000 m above sea level

Vibration information The weighted RMS value of acceleration the upper body is exposed to lies typically below 2.5 m/s².

Type label serial number Left on the power unit and the rear side of the user manual

IP-Protection class PX4 protection class: Protection against splash water from all sides

Classification according to ISO 7176-28:2012 Type C (table 1 of annex A)

1) The climbing speed as well as the range with one charge of the batteries is reduced if the ComfortStep is activated.

2) Never use the stair climber to climb stairs with too little depth because it is no longer possible for the main wheels to touch the steps safely.

3) Temperatures below 0°C will reduce the performance of the battery pack, therefore we recommend a storage temperature of at least 0°C.

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4.9 Dimensional sketch CR2303/CR2313

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Artikelnummer

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2/2www.aat-online.de

Fax: 07431/1295-36Tel.: 07431/1295-0D-72458 AlbstadtEhestetter Weg 11

DIN ISO 2768-1-m / DIN ISO 2768-2-mDIN ISO 1302

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a Winkel der Sitzfläche 9°

b effektive Sitztiefe 398mm

c effektive Sitzbreite 340mm

d Höhe der Sitzfläche an der vorderen Kante 520mm

e Rückenlehnenwinkel 19°

f Rückenlehnenhöhe 615mm

g Abstand der Fußstütze zur Sitzfläche 436mm

h1 Gesamtlänge m. Fußstütze min. 1095mm

h2 Gesamtlänge m. Fußstütze max. 1212mm

i Gesamtbreite 496mm

k Länge zusammengeklappt 451mm

l Breite zusammengeklappt 496mm

m Höhe zusammengeklappt 1335mm

n Winkel Fußstütze zu Sitzfläche 6°

minimaler Wenderadius ca. 1150mm

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Dimensions according to ISO 7176-15a Angle of the seat 9°

b Effective seat depth 398 mm

c Effective seat width 340 mm

d Height of the seat, frontal edge 520 mm

e Angle of the back rest 19°

f Height of the back rest 615 mm

g Distance between foot rest and seat 436 mm

h1 Total length with foot rest min. 1095 mm

h2 Total length with foot rest max. 1212 mm

i Total width 496 mm

k Length, folded 451 mm

l Width, folded 496 mm

m Height, folded 1335 mm

n Angle from food rest to seat 6°

Min. turning radius ca. 1150 mm

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4.10 Scope of delivery

Charger incl. user manual and splash protection

Battery pack with charging electronics and safety interlock

CR2303/CR2313, incl. hip belt

4.11 Accessories

Head rest, adjustable in height and depth

Charging cable for your vehicle

Widening of the seat

Arm rests (adjustable in width)

Seat belt system, incl. hip belt

NOTE – Only use AAT Alber Antriebstechnik GmbH accessories.ii

Dimensions according to ISO 7176-15a Angle of the seat 9°

b Effective seat depth 398 mm

c Effective seat width 340 mm

d Height of the seat, frontal edge 520 mm

e Angle of the back rest 19°

f Height of the back rest 615 mm

g Distance between foot rest and seat 436 mm

h1 Total length with foot rest min. 1095 mm

h2 Total length with foot rest max. 1212 mm

i Total width 496 mm

k Length, folded 451 mm

l Width, folded 496 mm

m Height, folded 1335 mm

n Angle from food rest to seat 6°

Min. turning radius ca. 1150 mm

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5 Folding and unfolding5.1 Seat unit

DANGER - Lock the seat unit safely, otherwise parts may move involuntarily!

WARNING - Special care must be taken to avoid crushing or pinching of body parts while folding or unfolding!

First, unlock the folding mechanism. » Push down the release knob and simultaneously pull down the C-part .

Fold out the foot rest .Push down the C-part until the mechanism is entirely unfolded. » The steering rollers have to touch the floor.

Folding up.To fold up the CR23, first, flip up the foot rest.Then fold the C-part with seat unit upwards until the folding mechanism locks automatically.

5.2 Assemble the head rest (optional accessory)

CAUTION - To ensure head stability, we recommend placing the head rest at the back of the occupant‘s head.

Place the bracket of the head rest above the marks. » Mount the head rest on the back rest using the screws.

Adjust the height of the head rest to the head of the occupant. » Secure with the locking screw.

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6 Start-up

i NOTE - Store CR23 in a frost-free environment at least one hour prior to start-up to avoid malfunctions.

i NOTE - Wait a few seconds after turning on the CR23 before you press the UP/DOWN switch.

5.3 Pull out the telescopic frame (optional accessory)

WARNING - Do not use the telescopic frame as a carrying handle, as it is not designed for carrying!

CAUTION - Special care must be taken at the pinch point whilst pulling the telescopic frame in or out!

The stair climber is designed for operation by just one person. This person must be physically and mentally capable of safely operating the CR23. Minors of at least 16 years may only operate the CR23 under the constant supervision and instruction of an adult.

Push out the telescopic frame. » It is secured by means of the locking bolt.

Push in the telescopic frame.The telescopic frame can simly be inserted again, if it is not needed.

The telescopic frame provides an accompanying person the opportunity to attend the climbing process of the CR23.

In case the telescopic frame was not included when the new stair climber was ordered, there is a shaft for the foot rest instead of the telecoping frame.

i

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6.1 Adjust the handles

WARNING – Always tighten the locking screws, as otherwise parts can suddenly become loose!

CAUTION - To avoid injury, beware of pinch points at the notch opening!

Release the locking screws of the handles counter clockwise.

Adjust the height of the handles approx. to the level of the operator‘s shoulder.

Tighten the locking screws.

6.2 Insert the battery pack

WARNING - The battery pack has to be locked safely, otherwise it may move involuntarily!

Attach the battery pack.Push the battery pack into its fixture by means of the guiding pins on the top of the housing. » This locks the release button automatically.

Detach.Unlock the battery pack

by pressing the release button on top of the battery pack until it engages.

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6.3 Turning on the device

Insert safety chip for the engine immobiliser. » Safety chip must latch!

Turn on the CR23 by pressing the ON/OFF switch .

6.4 Neutral position

Bring climbers into the neutral position by pressing the UP/DOWN switch. » If single step mode (see chapter 6.6) is activated, climbers will stop automatically in the neutral position.

Wrong.

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6.5 Checking the safety brakes

DANGER - Do not use the CR23, if the required braking effect (on one side or both sides) is not guaranteed because a reduced braking effect can lead to falling down the stairs! Contact the manufacturer or your authorized dealer!

WARNING - Check safety brakes without an occupant!

There are safety brakes located on the climbing frame on both sides. Activate them for checking the braking effect. » Check the safety brakes each time before using the CR23.

Pull in the climbers to their upmost position and tilt the CR23 backwards.Test: CR23 cannot be pushed forward, only backwards = safety brakes activated!

6.6 Single step mode

Single step mode Activate / deactivateLED glows = single step mode is activated!

Should you choose to turn off the single step mode you can do so by pressing the appropriate button. » LED does not glow = single step mode is deactivated!

iManufacturer‘s recommendationOnly deactivate the single step mode, if the operator is able to use the CR23 safely.

DANGER - If the single step mode is deactivated, make sure to operate the CR23 correctly and safely! Otherwise it can lead to falling down the stairs!

i Manufacturer‘s recommendationPut your foot on the housing and tilt the CR23 slightly towards you until you feel that it is balanced. See detailed description in chapter 7.3

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6.7 ComfortStep

Activate / deactivate » LED glows = ComfortStep is activated!

» It ensures a pleasant and comfortable climbing process.

Should you choose to turn offthe ComfortStep, you can do so by pressing the appropriate button. » LED does not glow = ComfortStep is deactivated!

Manufacturer‘s informationDue to the memory func-tion the last setting is stored. Everytime you turn on the CR23, the last used setting will be reproduced.

i

i NOTE - If an adjustment of the height of the step is necessary, please contact the manufacturer or your authorized dealer!

6.8 Check capacity of the batteries

Battery display Green = Battery full

Battery displayYellow = Battery low » Charge batteries!

Battery display Red = Battery empty » Charge batteries! » Audio warning every 12 sec.! » The capacity of the batteries is sufficient for max. 20-35 steps!

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7 Operation

DANGER - Operation by just one person. This person must be physically and mentally able to safely operate the CR23. Using the telescopic frame (optional accessory) a second person is able to attend the climbing process in order to safeguard the operation!

DANGER - Other persons (except the potential second person using the telescopic frame for safeguarding) are not allowed to be in the danger area underneath the CR23!

DANGER - Check the safety brakes each time before using the CR23 (see chapter 6.5)

WARNING - Wear non-slip footwear to avoid falling down the stairs!

WARNING - Always operate with both hands to avoid risky situations and to ensure a safe climbing process!

WARNING - Do not use the CR23 on wet, slippery or waxed stairs to avoid falling down the stairs! Carpeted stairs must be non-slippery!

WARNING - The occupant’s arms should not dangle over the sides and may also not be moved in an uncontrolled fashion! Put the occupant‘s arms on her or his thighs!

WARNING - Secure persons who cannot sit on their own with the hip belt as well as the foot belt. This keeps the occupant from falling out of the CR23.

i NOTE - Practice driving without an occupant and in single step mode.

i NOTE - Check the depth of the step as well as the condition of the stairs! Danger of Falling!

i NOTE - Wait a few seconds after turning on the CR23 before pressing the UP/DOWN switch.

i NOTE - When using seat supports (cushions, etc.), ensure that the occupant is securely seated to prevent the occupant from falling out or slipping!

7.1 Position of the occupant

Turn on the CR23 by pressing the ON/OFF switch.

Secure stand of the CR23.Press the UP/DOWN switch direction UP.

» Climbers should touch the floor.

Position of the occupant. » Observe if the occupant is sitting safely.

» Put the occupant‘s arms on her or his thighs!

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After seating the occupant, attach the hip belt.

Pass the hip belt around the body of the occupant. » The hip belt engages automatically when it is inserted into the belt buckle.

A foot belt around the feet of the occupant helps to protect the safeguarding person from uncontrolled kicks.

Let the occupant stand up by performing above steps in reverse.

Attach the safety belts

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7.2 Drive on level ground / overcoming obstacles

Set in neutral position (see chapter 6.4). » Retract climbers completely.

Pull the CR23 carefully back-wards against curbs/obstac-les if you want to overcome them.

To drive on level ground push CR23 forward.

i NOTE - Climbers may not be extended because they could become damaged!

i NOTE - Always raise climbers completely when overcoming curbs/obstacles to avoid damage. Always cross the curbs/obstacles backwards!

7.3 Tilting the stair climbing system

WARNING - Always tilt the CR23 when driving on slopes or during the climbing process!

Put your foot on the housing and tilt the CR23 slightly towards you. » The stair climber has to be balanced.

» If there is neither pressure nor tension noticeable at the handles, the CR23 is balanced correctly.

The CR23 can be moved. » If you tilt the CR23 further or too much, the safety bra-kes engage and the CR23 can‘t be moved forward any more.

Manufacturer’s recommendation:If you are not able to tilt the CR23 independently, use the climbers as a tipping aid.

» Turn on the CR23. » Press the UP/DOWN switch direction UP until the main wheels are raised by approx. 1-2 cm.

» Tilt the CR23. (Illustration 1)

» Then retract the climbers completely.

» Move the CR23. (Illustration 2)

i

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7.4 Operation on a slope

WARNING - For safety reasons we recommend that you ask another person for assistance when driving on a slope! This second person is only needed for assurance and extra safety.

i NOTE - Please observe the safety instructions in chapter 7!

Make sure the handles areadjusted appropriately.

Tilt the CR23 slightly. » Always heed the manufacturer’s recommendation in chapter 7.3.

Climbers have to be retractedentirely.

Drive forward to the edge ofa slope.

To slow down, you need to tilt the CR23 a bit more, so that the safety brakes are activated.

Please drive backwards up a slope.

Drive downhill

Drive uphill

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7.5 Climbing - upstairs

i NOTE - Observe the safety instructions in chapter 7!

Set in neutral position. » Climbers have to be retrac-ted entirely.

Tilt the CR23 and keep it inbalance.

Drive backwards to the step all the way.

Go 2-3 steps up. Press UP/DOWN switchdirection UP. » If the single step mode is activated, climbers will stop automatically in the neutral position.

CR23 climbs up.

To continue climbing, repeat the steps described in picture 3 and following.

Climbing upstairs - spiral staircases

To climb on spiral staircases you have to follow the same steps referred to above in chapter 7.5.

Please note: The CR23 must be repeatedly realigned with the spiral case during the climbing process, so that both wheels are always in line with the edge of the step to be climbed next.

Manufacturer’s recommendation: Activate single step mode!

DANGER!

Compare the conditions of the spiral staircases to the technical data in chapter 4.8.

Never use the CR23 on stairs that are not suitable pursuant to the technical data. Non-observance can lead to falling down the stairs!

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7.6 Climbing - downstairs

i NOTE - Observe the safety instructions in chapter 7!

DANGER - As soon as the climbers assume the load, you feel tension in the handles. Hold the CR23 lower briefly to counteract this tension!

Set in neutral position. » The climbers have to be retracted entirely.

Tilt the CR23 and keep it inbalance.

Roll the CR23 forward until safety brakes grip.

Press UP/DOWN switchdirection DOWN. » If the single step mode is activated, the climbers will stop automatically in the neutral position.

CR23 descends. Roll the CR23 forward.

To continue climbing, repeat the steps described in picture 4 and following.

Climbing downstairs - spiral staircases

To climb on spiral staircases you have to follow the same steps referred to above in chapter 7.6.

Please note: The CR23 must be repeatedly realigned with the spiral case during the climbing process, so that both wheels are always in line with the edge of the step to be climbed next.

Manufacturer’s recommendation: Activate single step mode!

DANGER!

Compare the conditions of the spiral staircases to the technical data in chapter 4.8.

Never use the CR23 on stairs that are not suitable pursuant to the technical data. Non-observance can lead to falling down the stairs!

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7.7 Laying the device down on the stairs / emergency stop function

Lay down the CR23 » Safety brakes prevent from rolling down.

» Keep the UP/DOWN switch pressed until the climbers are retracted completely.

Please note:When laying down the CR23 on the stairs it has to lie on its main wheels. Otherwise the safety brakes may not grip.

Emergency stop functionIn hazardous situations follow the next steps: » 1 - Release the UP/DOWN switch » 2 - Turn off the CR23 by pressing the ON/OFF switch » 3 - Pull out the safety chip for the engine immobilizer » Lay down the CR230 as mentioned

Eliminate the hazardous situation and start climbing again » Insert the safety chip » Turn the CR23 on by pressing the ON/OFF switch » Press the ON/OFF switch

7.8 Parking

i NOTE - Only park the CR23 on flat ground!

i NOTE - Charge the battery pack after each use!

The automatic switch-off turns the CR23 OFF, during longer periods of inactivity. Turn the CR23 OFF first and then ON.

Set in neutral position. » The climbers have to be retracted entirely.

Turn the CR23 on by pressing the ON/OFF switch.

Pull out the safety chip for engine immobilizer.

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7.9 Transportation

WARNING - Please note the weight specifications of the several components! (see chapter 4.8)

WARNING - During transportation in vehicles, secure the CR23 according to the relevant legal regulations!

CAUTION - Turn off the CR23 whilst transportation!

i

Manufacturer’s recommendation:The batteries are not consi-dered dangerous according to the IATA special guidelines A67, GGVSEB (Goods transportation regulations) and GGVSee (Goods transportation regulations for Sea). Batteries are admitted to air travel by DOT and IATA! However, inform airline in advance.

Fold in the CR23 (see chap-ter 5).

» Retract the handles completely.

» Note: Remove the battery pack to reduce the total weight.

» Hold the CR23 on the metal frame.

8 Care and maintenance

WARNING - Repairs and safety checks may only be performed by the manufacturer or authorized personnel! (see chapter 8.5)

WARNING - The housing of the CR23 may only be opened by the manufacturer or authorized personnel

i NOTE - We recommend a safety check every two years! The inspection plate provides information on the due date of the next technical safety test.

We recommend a safety check, if the CR23 is transferred to a new user!

To avoid crushing do not hold the CR23 at the V-shaped opening.

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8.1 Battery pack and charger

CAUTION - Protect the CR23 against humidity and never touch it with moist hands! This prevents electrical shocks as well as malfunctions!

i NOTE - Charge the batteries after each use.

i NOTE - Protect the charger and the voltage converter from oils, grease, aggressive cleaning agents, thinners or damage!

i NOTE - Follow the user manual of the charger and the voltage converter.

i NOTE - A total discharge leads to a loss of the batteries‘ capacity and shortens their durability!

i NOTE - Pack the battery pack safely before dispatching it (e. g. for repair, recycling) No special packaging necessary.

New batteries reach their full capacity after several chargings. The batteries are maintenance free and rechargeable. First turn off the CR23 by pressing the ON/OFF switch.

Press the safety interlock at the top of the battery pack.

Pull up the battery pack via the handle.

Connect the charger. » Keep the plug-in contacts dry.

LED is green = batteries are completely charged.

LED is orange = batteries are are charging.

i Manufacturer‘s recommendation:The charger automatically switches into trickle charge mode once the battery pack is fully charged. A trickle charge mode keeps the battery pack at the optimum level as long as it is connected to the charger. The LED glows green during the trickle charge mode.

Remove the splas protection.

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Charge batteries in a vehicle

Turn off the CR23 Attach the voltage converter. Connect the CR23 via the charger.

Turn on the voltage converter.Audio warning = voltage low!

LED is green = batteries are completely charged.

LED is orange = batteries are charging.

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8.2 Check the lining of the brakes, climbing feet and gilding strips

i NOTE - Minimum brake lining thickness = 1 mm. Should the lining be thinner or damaged, contact the manufacturer or authorized personnel!

i NOTE - If the foot lining is worn or broken, please have both climbing feet replaced by AAT Alber Antriebstechnik GmbH or your authorized dealer.

Check the brake lining of the safety brakes regularly.

Please also check the climbing feet on a regular basis.

C1412 N _00015086.sldasm 08.11.2017

If the gilding strips are worne a red stripe becomes visible. » Replace the gilding strips.

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8.3 Cleaning and desinfection

WARNING – No moisture must be allowed to enter the interior of the device! This may result in electric shocks! Use only damp cloths for cleaning the device’s surface! Never use wet cloths!

WARNING – Test all safety-relevant functions after cleaning!

WARNING – Do not smoke during cleaning!

i NOTE - Keep the stair climber away from sources of ignition!

i NOTE - Clean the safety brakes in rims weekly or in the event of dirt/deposits with spirit! Observe the hazard warnings for spirit!

i NOTE - Do not use a high-pressure cleaner!

i NOTE - Do not use abrasive or aggressive agents (if necessary, test on an inconspicuous area in advance)!

i NOTE - Do not use substances containing alcohol!

i NOTE - Do not use acidic substances such as orange cleaner!

i NOTE - Clean cushioned surfaces and all surfaces that come into direct skin contact as required (e.g. optional head rest).

If you want to disinfect the stair climber, carry out a wipe disinfection.

Clean the stair climbers surfaces with common household cleaning agents.

» Observe the manufacturer’s information.

- Ecolab Oxy Wipe disinfectant wipes

- B15 disinfectant wipes orochemie

- Schülke mikrozid sensitive wipes

- Sagrotan cleaner

Possible desinfectants:

Please only use disinfectants . » Observe the manufacturer’s information.

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8.5 Safety check

i NOTE - Safety checks may only be performed by the manufacturer or your authorized dealer!

i NOTE - We recommend a safety check every two years! The inspection plate informs you about the next date for inspection. We also recommend a safety check, if the CR23 is transferred to a new user.

8.6 Change of operator / re-use

A re-use is referred, if the AAT product of patient X is transmitted to patient Y.

The CR23 is suitable for re-use. We recommend a safety check as well as a cleaning/desinfection, if the CR23 goes to a new user. (see chapter 8.3 and 8.5)

i NOTE - You may not mend or by-pass a damaged fuse! Always replace it with an identical one of the same amperage (40 A)!

i NOTE - Should your fuses burn out frequently, please contact AAT Alber Antriebstechnik GmbH or your authorized dealer.

Remove the locking plate onthe left side of the battery pack by loosening the screw. » Use a screwdriver.

Pull out the covers and the old fuses, then insert the newfuses and replace the covers. » AAT offers you a replace-ment of the fuses 40 A.

Close with locking plate. » Fix it by tightening the screw with a screwdriver.

8.4 Replacing fuses

Incorrect use may damage the unit and in turn impair its technical functionality. This is why this safety check should be carried out every 2 years or before each subsequent use. We also recommend a safety check, if the CR23 is transferred to a new user.

To perform a safety check special training is required. More detailed information is available on the website: www.aat-online.de

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9 Malfunction and trouble shooting

WARNING - If the driving characteristics change unusualy, turn off the CR23 immediately and stop using it, to avoid dangerous situations!

Turn on the CR23. LED blinks » Note the malfunction.

Turn off the CR23.

8.7 Recycling

The CR23 and its battery pack are products of long durability. However if your CR23 has reached the end of its lifespan you may return its components to AAT Alber Antriebstechnik GmbH or authorized personnel to be recycled.

You are not allowed to dispose your CR23 and its battery pack on places (e.g. landfills) that are not intended for this purpose according to the current applicable legislation in the respective country. The CR23 and its battery pack may contain substances that might have negative effects on the environment.

The “crossed-out refuse bin icon“ indicates that the product is not allowed to be disposed of as household refuse according to the WEEE Directive. Please refer to the applicable legislation in your country regarding disposal. Please note, the WEEE Directive is not applicable in all European countries.

8.8 Long-term storage

If your CR23 will be stored for a longer period of time (e. g. for a few months), please ensure the following:

» Protect the CR23 from rain or moisture. » Store the CR23 in a dry place with low relative humidity. If necessary, protect the CR23 with foils » Keep the CR23 from strong sunlight. » Make sure that unauthorized persons - especially children – have no access to the storage room of the CR23. » Remove the battery pack before storage. » Observe chapter 8.1 when storing the battery pack!

If you want to re-use it, please clean the CR230 as described in chapter 8.3. Please check the inspection plate on the CR23. If necessary, commission a safety check (see chapter 8.5).

If no safety check is necessary, please make sure to check the electronic functions and the safety brakes before re-use.

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LED blinks Types of malfunction

1x Overloaded

2x Undervoltage, battery pack empty

3x Overvoltage

4x Speed control, UP/DOWN switch, plug-in contacts or suppy line are defective

5x Malfunction, electronics

6x Malfunction, electronics

7x Error, circuit board (FET)

8x Error, circuit board (Relays)

9x Error, motor

10x Error, sensor hollow shaft (only if ComfortStep is activated)

Problem Check and potential solution

CR23 cannot be turned on

Is the helix cable inserted and locked? No: Insert helix cable into its socket and lock it.

Is the charger connected to the CR23? Yes: Disconnect the charging cable.

Are the batteries empty? Yes: Charge the batteries.

Is the problem still present? Yes: Contact the manufacturer or the authorized dealer.

CR23 does not drive Is the safety chip for the engine immobillizer inserted? Yes: Contact the manufacturer or the authorized dealer.

Battery pack doesn’t charge Contact the manufacturer or the authorized dealer.

The housing of the battery pack is damaged Contact the manufacturer or the authorized dealer.

Trouble shooting

Turn on the CR23. » LEDs are blinking - Contact the manufacturer or your authorized dealer!

Malfunction codes

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The manufacturer, AAT Alber Antriebstechnik GmbH, is neither liable nor responsible for potential damage of the CR23 in case of:

» Improper handling of the CR23. » Repairs, fittings or other works performed on the CR23 by unauthorized personnel » Operation not in accordance with the user manual. » non-original AAT spare parts or accessories were attached or connected to the CR23. » Parts removed from the CR23. » Operation exceeding the total weight approved or the max. weight approved of the occupant. » The CR23 is not serviced every two years by the manufacturer or your authorized dealer. » Operation of the CR23 with insufficiently charged batteries.

Liability

10 Warranty and liability

AAT Alber Antriebstechnik GmbH grants a warranty of two years for the CR23 including all its accessory parts (with the exception of the sealed lead acid batteries). The warranty begins at the date of purchase and covers failure of material and errors in manufacturing.

For the sealed lead acid batteries, always assuming correct maintenance, AAT Alber Antriebstechnik GmbH grants a warranty of one year from the date of purchase.

The warranty is void for defects or damage which are the result of the following:

» Damage due to excessive strain. » Damage due to improper handling. » Violent damage. » Natural wear and tear (brake lining, gliding strip, climbers). » Improper and insufficient maintenance. » Unauthorized constructional changes or inappropriate use of the CR23 or its accessories. » Using the CR23 exceeding the total weight approved or the max. approved weight of the occupant. » Improper charging of the sealed lead acid batteries.

Warranty

We will contact our authorized personnel, if additional important safety information is available or if subsequent changes have been made on the product. We will inform our authorized personnel in writing about the affected serial numbers. If your CR23 is part of a product recall, you will be informed about the process to be followed.

As stated previously, all versions of this user manual can be retrieved at any time at: www.aat-online.de

11 Corrective actions / product recall

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Notes:

Use of the arm rests (optional accessory)

» The two arm rests of the CR23 serve not only as arm rests for the occupant, but also as a lateral boundary.

» They should not be loaded with more than 90 kg per side. » Do not load the arm rests one-sidedly (risk of tipping). » Do not sit on the arm rests. » Do not hang any objects on the arm rests (e. g. handbags). » Make sure that the armrests are fixed properly before each use. » The arms should not protrude over the arm rests! » Do not remove the arm rests during the climbing process.

AAT Alber Antriebstechnik GmbH · Postfach 10 05 60 · D-72426 Albstadt · Tel.: 0 74 31.12 95-0 · Fax: 12 95-35 · www.aat-online.de · [email protected]

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EU Declaration of Conformity

02_21 (1.1)

Translation of the Original EU Declaration of Conformity

We hereby declare under our sole responsibility


Ehestetter Weg 11

72458 Albstadt/Germany

that the stair climbers as described in the following for transporting people Risk class: Class I (in accordance with Annex VIII, Rule 13)

complies with the basic requirements and applicable parts of the following directives and standards:

2017/745/EU

ISO 7176-28; ISO 7176-14; ISO 7176-21

DIN EN ISO 14971; DIN EN ISO 10993-1

IEC 60335-2-29 + A1 & A2; IEC 60335-1

2011/65/EU EN IEC 63000

The products are marked with to ensure conformity with the Directive.

This declaration is only valid for the products with the article numbers indicated above.

This declaration is replaced whenever there is a significant change to the product, product family, standards and laws.

Date, placeDaniel MohrPRRC (MDR 2017/745 Art.15)

01/05/2021, Albstadt

Article no. 301750 Stair climber with rehabilitation seat CR2303 (Basic-UDI-DI) 4054959CR23XXQK as of serial number: CR230321010

Article no. 301700 Stair climber with emergency rescue seat CR2304 (Basic-UDI-DI) 4054959CR23XXQK as of serial number: CR230421012

Article 301801 Stair climber with rehabilitation seat CR2313 (Basic-UDI-DI) 4054959CR23XXQK as of serial number: CR231321001

Article no. 301802 Stair climber with emergency rescue seat CR2314 (Basic-UDI-DI) 4054959CR23XXQK as of serial number: CR231421001

AAT Alber Antriebstechnik GmbHPostfach 10 05 60 · D-72426 AlbstadtTel.: +49.(0) 74 31.12 95-0Fax: +49.(0) 74 31.12 [email protected] · www.aat-online.de

Serial number

Translation of the original user manual

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