BESV CF1 - Troubleshooting: Whole Bike Assistance; No Assistance While Pedaling Diagnosis

Technical Manual - BESV CF1
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4.3.3 Whole Bike
Issue Step Check step Action
No
assistance
while
pedaling.
1 Check if the assistant level is 0 or not.
If yes, please adjust the
assistant level >=1.
If no, please progress the next
step.
2
Check if the connectors between motor and
controller connect well or not.
If yes, please progress the next
step.
If no, please turn off the system
and reconnect the motor's
cable.
3
Use diagnosis tool to check the e-brake
signal without braking lever.
If yes, please replace the
brake.
If no, please progress the next
step.
4
Connect the diagnosis tool to system.
Rotate the wheel backwards manually and
monitor the "U Hall", "V Hall", "W Hall".
All of the hall sensors shouldn't be ON or
OFF at the same time, and should keep
changing while rotating.
If yes, please progress the step
6.
If no, please progress the next
step.
5
Replace the standard controller, and check
the result again after repeating the progress
of step 4.
If yes, please replace the
controller.
If no, please replace the motor.
6
Connect the diagnosis tool to system.
Rotate the pedal forwards manually, and the
"pedal 1" signal should keep changed, and
"RPM" should show value.
If yes, please contact with the
manufacturer.
If no, please progress the next
step.
7
Replace the standard controller, and check
the result again after repeating the progress
of step 6.
If yes, please replace the
controller.
If no, please replace the
pedaling sensor.