Prophete TREKKING Notice D'utilisation page 171

ERROR CODE FAULT
14 Sensor fault
21 Speed sensor fault
22 Communication error (BMS)
30 Communication error
REMEDY
1. Switch off the drive system
2. Check if the spoke magnets point towards the sensor
and correct this if required
3. Take out and re­insert the rechargeable battery
4. Switch on the drive system.
If the error continues to be displayed, contact customer
service.
Switch off the drive system and contact the customer ser­
vice
ERROR CODE
EN 79