Motor Hall Sensor Fault
Motor position sensor (Hall effect) signal invalid
What it means
Motor position sensor (Hall effect) signal invalid
Error — Issue detected, may affect performance.
Likely causes
- Hall sensor failure
- Sensor wiring issue
- Magnetic interference
What to do
- 1Check motor sensor connector
- 2Bike may still operate in sensorless mode
- 3Dealer inspection recommended
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 Hall Sensor Fault" mean in a Zero log?
Motor position sensor (Hall effect) signal invalid. It is written by the MBB. It is classed as error: issue detected, may affect performance.
What should I do about it?
Check motor sensor connector. Bike may still operate in sensorless mode. Dealer inspection recommended.
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.