E04 - 6KM Walk Mode / Throttle Return Error
Startup or walk mode signal is abnormal.
Low severity
Caution rideability
Info urgency
What it means
Controller detected an unexpected control input.
Common causes
- Button stuck
- Throttle not returned
- Display control issue
Symptoms
- Error at startup
- Walk mode issue
- No assist until restart
How to fix it
- Release controls before startup
- Check buttons
- Restart display