Quickie puma 20 Technical Manual - page 185
Puma 20/40
Trouble shooting | 185
6.3
DX2 faultfinding table
Signal
Possible cause
Remedy
ON/OFF light
does not go on:
the wheelchair
does not move.
The controller plug is not properly inserted in
the ‘power module’.
This is probably a 'STALL' timeout.
Place the joystick in neutral and try again
Both fuses are defective
Replace the defective fuses.
The batteries are not properly connected.
Check the connections.
A connection of the batteries is loose.
Secure the connection.
ON/OFF light:
flashes once
DX module faulty.
Replace one or more modules. The "on/off" LED
indicates the condition of the entire system.
The modules all have a separate status LED:
in this way, you can see which one is faulty.
ON/OFF light:
flashes twice.
DX accessory faulty.
The module displays a fault as a result of a programming
fault or short circuit and/or overload of the accessories.
The (optional) electrical high/low adjustment is not in the
lowest position. The LED flashes twice to indicate that the
speed limitation has been switched on: the wheelchair will
drive considerably more slowly.
ON/OFF light:
flashes three
times
The m1 motor connection is faulty or loose
Check the connection and secure it.
The m1 motor is defective
Replace this motor.
Short circuit in the m1 motor connections.
Correct the connections.
Defective power module output.
Check the motor for a defect: an output of the power
module will only become defective through a defect in the
motor itself.
Only replace the power module if the fault occurs
immediately upon switching the unit on. If the fault occurs
when you are starting to drive, the entire left-hand motor
circuit is causing the fault.
In this case, replace the entire drive unit concerned.
ON/OFF light:
flashes four
times
The m2 motor connection is faulty or loose.
Check the connection and secure it
The m2 motor is defective
Replace this motor.
Short circuit in the m2 motor connections.
Correct the connections.
Defective power module output.
Check the motor for a defect: an output of the power
module will only become defective through a defect in the
motor itself.
Only replace the power module if the fault occurs
immediately upon switching the unit on. If the fault occurs
when you are starting to drive, the entire left-hand motor
circuit is causing the fault.
In this case, replace the entire drive unit concerned.
ON/OFF light:
flashes 5 times
The m1 parking brake connection is faulty or
loose.
Correct the connection.
The m1 parking brake is defective.
Replace the drive motor.
ON/OFF light:
flashes 6 times
The m2 parking brake connection is faulty or
loose.
Correct the connection.
The m2 parking brake is defective.
Replace the drive motor.
ON/OFF light:
flashes 7 times
The battery voltage is low, or the batteries are
flat or bad
Charge the batteries or replace them.
Note:
If the voltage is low (
properly. A number of random LEDs of the ‘DX’ controller
flash and the wheelchair will not function.
ON/OFF light:
flashes 8 times
The battery voltage is high, above 32 V.
This usually occurs during (trickle) charging.
Frequent occurrence will result in a defective power
module. Set the charger correctly.
ON/OFF light:
flashes 9 times
'BUS low' fault: cable breakage (in one of the
DX bus cables) or short circuit in the DX bus
system (entrances to the modules)
Check the cables and the modules and replace if
necessary.