Motor Phase Fault
Issue detected with motor phase wiring or windings
What it means
Issue detected with motor phase wiring or windings
Error — Issue detected, may affect performance.
Likely causes
- Motor winding damage
- Phase wire short
- Controller phase driver fault
What to do
- 1Check motor phase connections
- 2Do not ride if fault persists
- 3Dealer inspection required
Which bikes use this table
Recorded in the binary log rather than shown on the dash — every generation writes them.
Related codes
Other log file Motor codes:
Dashboard codes for the same subsystem:
Questions
What does "Motor Phase Fault" mean in a Zero log?
Issue detected with motor phase wiring or windings. It is written by the MBB. It is classed as error: issue detected, may affect performance.
What should I do about it?
Check motor phase connections. Do not ride if fault persists. Dealer inspection required.
See when this actually happened on your bike
A dash code tells you the fault; the log tells you the pack temperature, the state of charge and the ten minutes leading up to it.
Sources:
Community reference: ZeroManual wiki entry
The code and its name are transcribed from Zero's own owner manuals; the severity, category and troubleshooting notes are ours. For official diagnostics, consult an authorized Zero Motorcycles dealer.