Bafang error 38: Sensor watchdog (WDT) fault

What it means

The torque sensor's internal safety timer has found a problem.

Likely causes

• Sensor software problem
• Sensor fault

Symptoms

• Code 38 shows
• No pedal assist

How to fix it

1. Switch the bike off, wait 10 seconds and switch it on again.
2. Your dealer can update the sensor with the Bafang BESST tool or replace it.

How urgent is it?

Needs a dealer repair.

More Bafang codes

• 35 15 V detection circuit fault
• 36 Keypad detection circuit fault
• 37 Controller watchdog (WDT) fault
• 41 Battery voltage too high
• 42 Battery voltage too low
• 43 Battery cell power too high

All 36 Bafang codes →