Checking Lighting Modules I.e. Lighting / Adjustment Modules - Invacare STORM Service Manual

16.4 Testing Lighting or Lighting / Adjustment Modules

NOTE:
• The lighting / adjustment modules are maintenance-free.
Only basic tests can be performed.
• The modules are located in front under the splash
protection at the battery box retainer.
• Prior to the inspection, make sure that the batteries
are charged.
Status Display
For a simple optical error diagnosis, the modules are equipped with
LEDs for status display.
Inspecting the status display:
• Switch on wheelchair at the joystick box.
• Inspect LEDs (see table below).
I I n n s s p p e e c c t t i i o o n n
• Status display glowing?
• Status display off?
• Status display flashing?
> T T e e s s t t i i n n g g P P r r e e p p a a r r a a t t i i o o n n s s
• Remove battery boxes. See chapter 12.1in this respect.
• Remove splash protection. See chapter 11.7 in this respect.
• Install battery boxes.
Checking Power Supply from the Main Module to the 24 V / 12 V
Lighting Module or to the Lighting / Adjustment Module
• Remove the BUS plug of the connection cable from the main
module to the 24 V / 12 V lighting module or to the lighting /
adjustment module respectively.
• Measure the voltage existing at the contacts of the power supply
(see drawing).
It must amount to at least 19 volts.
CAUTION:
Avoid by all means to bridge the contacts of the voltage supply.
Malfunction
No voltage at the
contacts?
Voltage below 19 V?
88
R R e e m m e e d d y y
> Module all right.
> Test voltage supply of the
module.
Test programmer.
> Replace module.
>Danger of Fire and Burning<.
Cause
Fuse in main module blown.
BUS cable defective.
Main module defective.
Power supply to main module
interrupted.
Battery fully discharged.
Lighting Module and Adjustment Module, assembled
Light.Module, Adjustm.Module
Lighting Module and Adjustment Module
BUS cable
Status display
BUS plug
Plug Locking
–
min. 19 volts
Remedy
Interrupt testing and resume
testing after a few seconds.
Check / replace BUS cable.
Check / replace main module.
Check power supply.
Check master fuse (50 A).
Pre-charge battery.
Replace battery.
+
V
Chapter
18.0
16.3/17.0
12.0
12.0
12.2
12.0