GreenWorks CU800 - Chapter 4 Motor and Driving System; Inspection and Repairing of Motor

MOTOR AND DRIVING SYSTEM CU800 Service Manual
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CHAPTER 4 INSPECTION AND REPAIRING OF MOTOR DRIVE SYSTEM
4.1 INSPECTION AND SOLUTION FOR COMMON FAILURE OF
MOTOR DRIVE SYSTEM
S/N
Failure
Inspection
Solution
1
Rotating speed of
motor is not able to
change.
1. Check the sensor of
acceleration.
Change the damaged throttle
sensor.
2. Check the cables.
Repair cable.
3. Check the connect cable of the
motor sensor.
Repair connecting wire or
change encoder.
4. Check the motor.
Change the damaged motor.
5. Check the controller.
Change the damaged
controller.
2
Speed become slow
or power become
weak.
1. Check the battery, whether the
voltage of battery is less than
standard value.
Charge the battery.
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.
3
Mode cannot switch
out of L mode, and
maximum speed
cannot exceed
24km/h.
1. Check the Seatbelt buckle
switch.
Change the Seatbelt buckle
switch.
2. Check the Seatbelt buckle
switch cables.
Repair cable.
3. Low soc.
Charge the battery.
4. Check the instrument display
Error code
Repair the vehicle according to
the Error code description.