6 Trouble shooting
If your electric wheelchair is not working even though the batteries are fully charged, the following checks can be carried out
before contacting your supplier.
Check whether all of the battery clips are fi rmly in place.
Check whether the freewheel handle is in the drive mode (and not in the freewheel / neutral mode).
Troubleshooting table
If your scooter is not working, or is not working as it should, go through the following list of possible problems before contacting
your supplier. You may be able to solve the problem yourself.
6.1 Shark faultfi nding table
Signal Possible cause Remedy
service indicator
fl ashes once.
User error
This is probably a 'STALL' timeout.
Place the joystick in neutral and try again
service indicator
fl ashes twice
Battery fault
Check the batteries and the cabling
Charge the batteries or replace them.
ON/OFF light
fl ashes three times
The m1 motor connection is faulty Check the motor connections and cabling.
The m1 motor is defective Replace this motor
ON/OFF light
fl ashes four times
The connection of the m2 motor is faulty. Check the motor connections and cabling.
The m2 motor is defective Replace this motor
ON/OFF light:
fl ashes 5 times
The m1 parking brake connection is faulty or
loose.
Correct the connection
The m1 parking brake is defective. Replace the parking brake
ON/OFF light:
fl ashes 6 times
The m2 parking brake connection is faulty or
loose.
Correct the connection
The m2 parking brake is defective. Replace the parking brake
ON/OFF light
fl ashes 7 timest
There is a fault in the controller
Check all connections and correct as necessary
If a fault signal is still present after this, replace
the power module.
ON/OFF light
fl ashes 8 times
There is a fault in the power module
Check all connections and correct as necessary
If a fault signal is still present after this, replace
the power module.
ON/OFF light
fl ashes 9 times
There is a communication fault in the
Shark system.
Check the connection and correct it if necessary.
If a fault signal is still present after this, replace
the controller.
ON/OFF light
fl ashes 10 times
Unknown fault
Check all connections and correct as necessary
Consult a service engineer.
ON/OFF light
fl ashes 11 times
System does not 'fi t'.
System modules are not compatible.
Check that the type of the controller corresponds
with the power module.
Replace one of the two if necessary.
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 Shark bus cables, fuses and/or modules, remove both fuses from the battery compartment, so that the system is
dead.
118 | Trouble shooting Puma 20/40/60118 | Trouble shooting
To Next Page
Loading...