W954 Code
Check Biomega W954 e-Bike Error Code :
Indication conditions
A communication error was detected between the rear shifting unit and the drive unit.
Operational restrictions being displayed
The rear shifting function will not operate.
Solution
Properly reconnect the electric wire connecting the rear shifting unit and the drive unit.
If the situation does not improve, stop use and contact your place of purchase.
This error will be cleared when you turn the power OFF or connect to e-bike system, even if a problem with the connection state is displayed. If the operation limitation still applies after this error is cleared, contact the place of purchase.