Technical Manual - BESV CF1
29
Issue Step Check step Action
After turning
on system,
the HMI is on
but can't be
operated
1
Replace the standard HMI and check the
normality again.
If yes, please replace the HMI.
If no, please replace the
controller.
The
assistance
level resets
to 0 while
pedaling.
1
Check if the connectors between motor and
controller connect well or not.
If yes, please progress the next
step.
If yes, please turn off the
system and reconnect the
motor's cable.
2 Check if there any damage in motor cable.
If yes, please replace the
motor.
If no, please progress the next
step.
3
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 next
step.
If no, please replace the motor.
4
Replace the standard motor and check the
normality again.
If yes, please progress the next
step.
If no, please replace the motor.
5
Replace the standard controller and check
the normality again.
If yes, please contact with the
manufacturer.
If no, please replace the
controller.
The HMI
immediately
turns off after
turning on.
1
Replace the standard HMI and check the
normality again.
If yes, please replace the HMI
If no, please contact with the
manufacturer.