Checking Joystick Boxes - Invacare STORM Service Manual

16.2 Testing Joystick Boxes

NOTE:
• Before inspecting the joystick boxes, check the
charging status of the batteries.
• Then check status display for error codes.
I I n n s s p p e e c c t t i i o o n n
• Status display flashing?
• BUS plug defective?
• BUS cable damaged?
• Joystick tight or damaged?
• Joystick box fastening
damaged?
• Displays or key pad
defective?
• Power supply to the
joystick box defective?
(For measuring see below.)
Checking Power Supply to Joystick Box
• Pull BUS plug from the joystick box.
• Measure voltage at the contacts indicated (see drawing).
The voltage must amount to at least 19 V.
CAUTION:
Do not bridge contacts. Danger of Short Circuit.
Malfunction
• No voltage?
• Voltage below 19 V?

NOTE:
The following inspections are to be performed at the attendant’s joystick box
(additional joystick box - switchable)
• Check whether the control can be switched over by means of the flip switch.
• Check whether the final speed can be pre-selected by means of the controller .
• Check whether the wheelchair con be controlled via the joystick.
• Check whether all other functions (lighting and adjustment functions) continue to be controllable via the
main joystick box.

NOTE:
• When ordering a replacement joystick box, the part numbers and the number of the software version
must be indicated.
• The software version number can be found on a sticker at the joystick box.
86
R R e e m m e e d d y y
> Check error codes.
See chapter 8.0.
> Replace BUS cable.
> Replace BUS cable.
> Replace joystick box.
> Renew wing screws, replace
holding device, if necessary.
> Replace joystick box.
> Check:
Battery charge, BUS plug,
BUS cable, main module
Cause
- BUS cable defective.
- BUS cable defective.
- Main module defective.
- Battery fully discharged.
Joystick Boxes
Standard Table, centre
joystick box control
Chin control
BUS Plug
Plug lock
–
min. 19 Volt
Remedy
> Test / replace BUS cable. (Chapter 18.0)
> Test / replace BUS cable. (Chapter 18.0)
> Test main module. (Chapter 16.3)
Test voltage supply to main module.
(Chapter 16.3)
> Test battery. (Chapter 12.2)
+
V