GreenWorks CU800 - Page 208

ELECTRICAL SYSTEM MALFUNCTION INSPECTION CU800 Service Manual
201
weak.
standard value.
2. Check the battery for damage.
Repair the battery or contact
after-sales service.
3. Check the controller for
damage.
Change the damaged
controller.
4. Check the sensor of
acceleration.
Change the damaged
throttle sensor.
5. Check the functionality of output
of the rotate speed sensor.
Change the damaged rotate
speed sensor.
6. Check the sensor between the
motor and the controller, whether
the socket is open circuit or not.
Repair or change the
damaged plug or socket.
12
Cannot reverse.
1.Check the switch of “Forward/
Reverse”.
Change the damaged
switch.
2. Check the cables.
Repair cable.
S/N
Failure
Inspection
Solution
13
Driving mileage
decreased after full
electricity charged.
1. Check the battery.
Contact after-sales service
or re-match the battery.
2. Check the controller.
Change the damaged
controller.
3. Check the motor armature
winding for partial short circuit.
Change the damaged motor.
4. Check the cables.
Repair.
14
Cannot run while
accelerating.
1. Check the power of the battery.
Charge the battery.
2. Check cables, whether the
function of acceleration
protection is broken or not.
Repair the cable or change
the damaged throttle sensor.
3. Check the connecting wires
between the batteries if
loose.
Fasten the fixing bolt of
conductor terminal.
4. Check the sensor socket of
motor if properly connected.
Reinsert the plug and
socket, to ensure good
contact.
5. Check the motor armature
winding for turnoff.
Change the damaged motor.
6. Check the motor's field
winding for turnoff.
Change the damaged motor.
7. Check the controller for
damage.
Change the damaged
controller.