Quickie Puma 20 Technical Manual page 186

186 | Trouble shooting
Signal Possible cause
Bus high fault: usually a communication fault
ON/OFF light:
caused by one of the DX bus cables or DX
flashes 10 times
modules (entrances to the modules)
'STALL' overload fault:
ON/OFF light:
A motor is continually demands too much
flashes 11 times
power.
ON/OFF light: System does not 'fit'.
flashes 12 times System modules are not compatible.
Note:
If all the plugs are connected properly and you have used the troubleshooting list but not found the cause, contact the Service
Department of Sunrise Medical HCM.
Before changing DX bus cables, fuses and/or modules, remove both fuses from the battery compartment, so that the system is
dead.
Remedy
Check the cables and the modules and replace if
necessary.
Check the drive units.
Note: This fault is often caused by taking obstacles that
are too high, or driving against walls, and door frames, etc.
This fault may also be caused by a difficult turn from a
standing position. Check the weight distribution of the
chair.
Program the entire drive system for the relevant wheelchair
with the aid of the DX-Wizard program on the PC.
Always confirm the programming by switching the
wheelchair on and off.
Puma 20/40