User`s manual

- 17
2) Lose control when vehicle starts running: speed cannot be adjusted
Malfunction Possible reason Troubleshooting
1.Terminals of Solenoid stick together Check, repair
2.Controller failure Change
Vehicle runs at full speed when it
just starts
3.Potentiometer failure Repair, change
1. Internal short of Motor Repair, change
2.Motor is assembled too tight or blocked Repair, change
3.Controller failure Repair, change
Vehicle stops immediately after it
starts
4.Accelerator Failure Repair, change
1. Controller Failure Check, change
2. Motor Failure Check, change
Normal at low speed
Weak power at high speed
3. Accelerator Failure Check, change
3) Vehicle cannot change direction: vehicle can only run in the one direction
Malfunction Possible reason Troubleshooting
1. Gear box failure Change
Vehicle can only run in
one direction
2. Controller Failure Change
4) Possible reason and troubleshooting of the malfunction of electric vehicle mechanic system
System Malfunction Possible reason Troubleshooting
1.Clearance of rear axle decelerating
gear is too big, or the decelerating
gear is broken
Adjust, change
2.Transmission cross shaft wear out Change
3.Gear of transmission wear out or
damage
Change
4. Flange bearing damage Change
5. Motor bearing damage Change
Abnormal sound
when running
6.Gear liquid is deficient or empty Add Gear liquid
1.Clutch cannot separate smoothly Adjust
2.Gear shift tightwire damage Change
3.Gear inside transmission case
wear out
Change
Transmission
System
Hard to shift gear,
and/or gear shift
jumps in different
positions
4.Orientation pin loosen Change
1. Pressure of front tire is deficient.
Check the pressure
and Inflate
2. Screw plug of Redirector is too
tight
Adjust
3.Lack of lube in redirector Maintain，add lube
Steering System Steering heavy
4. Toe-in abnormal Adjust