QM-7 SERIES SERVICE MANUAL
PAGE 4.6
JANUARY 2012
SUNRISE MEDICAL
Section 4
Note:
On hand controls that contain LED battery gauges, they will display the fault code by illuminating
various LEDs . Refer to table below for corrective action
Bar Indication
Corrective Action
The battery needs charging or there is a bad connection
to the battery. Check the connections to the battery. If the
connections are good, recharge the battery.
Verify that the left motor is connected to the control
module. Complete the Motor and Gearbox Inspection
section of this manual.
The left motor has a short circuit to a battery connection.
Contact Sunrise Medical Technical Service for
assistance.
The right motor has a bad connection. Complete the Motor
and Gearbox Inspection section of this manual.
The right motor has a short circuit to a battery connection.
Contact Sunrise Medical Technical Service for
assistance.
The wheelchair is being prevented from driving by an
external signal. Verify that the battery charger is not
connected. Contact Sunrise Medical Technical Service
for assistance.
Ensure that the joystick is centered upon power up. If it is
centered, replace the hand control, and or cable.
A control system fault is indicated. Make sure that
all connections are secure. Contact Sunrise Medical
Technical Service for assistance.
The parking brakes have a bad connection. Complete the
Motor and Gearbox Inspection section of this manual.
Verify that the battery charger is not defective. Leave the
chair on for a few minutes to drain off the excess charge.
Check the condition of the battery charger.
A communication fault is indicated. Make sure that joystick
cable is securely connected and not damaged.
An Actuator trip is indicated. If more than one actuator is
fi
tted, check which actuator is working correctly. Check the
actuator wiring.
Fault Codes from LED Battery Gauges
Table 2- Hand control Fault Codes
