Technical Manual - BESV CF1
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4. Trouble shooting
4.1 Error or warning alert
The system has some error or warning when user see the display of capacity show the
blue and red led flash alternately. Error or warning can be decided by the assistance
light flash automatically. If yes, it represents error and no assistant. If not, it represents
warning. The following table shows the mean of this message.
Warning message : Please press [light] and [-] button for 3 seconds. Then, hold
two buttons to know the warning code. If you release this buttons, the e-bike can
adjust assistance level as a normal status.
Display Warning code Mean
1 G-Sensor Communication Fail
2 Battery Communication Fail
3 Battery Status Fail
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