
Twister/Twister Junior
Service Manual
Page
166
Issued:21.01.02
18.3 - Check power module.
Note:
•
The power module is maintenance-free. Only
basic tests can be performed.
•
The power module is located in the frontal
part of the chassis and is accessible after
removing the chassis central cover.
•
Wheelchairs fitted with a lifter are supplied
with a power module covered with a
protective plate. This plate can be removed
after loosening two self-locking nuts (M5).
The status LED is then visible.
•
Before the inspection make sure that the
batteries are charged.
18.3.1 Status display
For an easy optical error indication, the module is equipped with a green LED at the status display.
Checking the status display
•
Switch on wheelchair via the joystick box.
•
Check LED.
Check
•
Status display illuminated?
•
Status display
extinguished?
•
Status
display flashing?
Remedy
⇒
Module in working order.
⇒
Check module power
supply.
⇒
Replace module
Status display
Screening plate