4
About the Lift Chair Service Guide
This service guide provides you with the information necessary to repair the UltraComfort
3-position, 2-position, and Stellar recline lift chairs. The troubleshooting scenarios in this manual
consist of procedures that enable you to systematically trace and correct faults in the system,
replacement procedures, and exploded views of available parts. Most replacement instructions
apply to all the lift chairs in this service manual, but some of them are specific to individual chairs.
Before troubleshooting, check the following:
Make sure that the lift chair is plugged into a working wall outlet.
Check the wall outlet circuit breaker.
Visually check terminals for corrosion.
Check wires for missing insulation.
Check connectors for unseated pins.
Ensure LED lights are on. (Refer to “Trouble Shooting with Smart Tek®” on page 34).
Information required prior to making a service call:
Serial Number
Date of Purchase
Description of the problem with the lift chair
Lift Chair Components
Lift chairs are powered by 24V DC transformers that plug into standard wall outlets and operate on
standard 120V AC electricity. The lift chair control system is made up of the following components:
* Only on Selected Models
Component:
Motor
Location:
Between the lift frame and the seat.
Function:
Provides lift and recline.
Connections:
Each motor is physically connected to the chair through the lift frame and the
recline straps. Each motor is electrically connected to either a control unit or directly to the hand
control.
Failure Signs:
Chair will not lift and/or recline. Motor may become noisy just before failure.
Tests:
See “Trouble Shooting with
Smart Tek
®” on page 34.
Expected Readings:
See “Trouble Shooting with
Smart Tek
®” on page 34.
Serviceable:
Must
be replaced.
Component:
Hand Control (Lift/Recline or Recline Only)
Location:
On the arm of the chair.
Function:
Provides user interface for lift/recline or recline only.
Connections:
Connected to either the control unit or the motor.
Failure Signs:
Chair will not lift and/or recline.
Tests:
See “Trouble Shooting with
Smart Tek
®” on page 34.
Expected Readings:
See “Trouble Shooting with
Smart Tek
®” on page 34.
Serviceable:
Must be replaced.
Motor(s)
Hand Control
Extension Wire
Transformer
Battery Backup Wire*
Heat Unit*
Massage Unit*
Control Unit*
Junction Box*
Содержание Power Recline UC551-L
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Страница 27: ...27 DUAL MOTOR UC542 ME6 ...
Страница 29: ...29 UC550 M26 Wire Routing ...
Страница 30: ...30 UC550 M26 Wire Routing ...
Страница 41: ...41 HV4101 HC NQR INSTALLATION ...
Страница 43: ...43 Trouble Shooting with Smart Tek ...
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Страница 45: ...45 LM RS5100 BB5003 ...
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Страница 53: ...53 For use in models UC542 ME6 UC542 M26 See parts list for specific parts by ...
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Страница 57: ...57 LM5200M RO Recline Only MOTOR AUTOLOUNGER GM1800 LA GM1800 RA ZKRO 1 GM1800 RA not shown in picture ...
Страница 60: ...60 LM5124 LIFT FRAME CRADLE ASSEMBLY For use in model UC558 MLA ...
Страница 61: ...61 LM5124 LIFT FRAME CRADLE ASSEMBLY CONTINUED For use in model UC558 MLA ...
Страница 77: ...77 Smart Tek LED lighting system ...
Страница 83: ...83 Shiatsu Wiring Diagram ...
Страница 85: ...85 Foot Rest Extension Installation ...
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Страница 88: ...88 Procedure for Lubricating Recline ...
Страница 89: ...89 Lift Chair Cut Away ...
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