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Yamaha error codes
E01
High
Motor Communication Fault
Yamaha · Motor and display/control unit lost communication.
E02
Medium
Speed Sensor Fault
Yamaha · Speed sensor signal is missing or implausible.
E03
High
Torque Sensor Fault
Yamaha · Pedal torque reading is outside the valid range.
E04
High
Battery Communication Error
Yamaha · Battery is not communicating reliably with the system.
E05
Medium
Display Communication Error
Yamaha · Display/controller communication is interrupted.
E06
Medium
Motor Over Temperature
Yamaha · Motor temperature is high and assist may be reduced.
E07
High
Controller Fault
Yamaha · Controller detected an internal electrical fault.
W001
High
Motor Internal Sensor Error
Yamaha · Internal motor sensor feedback is invalid.
W011
Medium
Speed Sensor Warning
Yamaha · Speed reading is unstable but the system may still operate.