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RideFixer Android App Scan errors, compare sounds and diagnose e-bike issues on your phone.
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Bafang Error Code

03 - Brake Sensor Error

Brake cut-off signal is active or abnormal.

Medium severity Caution rideability Soon urgency

What it means

Controller thinks the brake is being applied.

Common causes

  • Brake sensor stuck
  • Magnet moved
  • Brake lever cable fault

Symptoms

  • No throttle
  • No pedal assist
  • Brake icon active

How to fix it

  • Check brake levers
  • Realign brake magnet
  • Unplug brake sensor for test
  • Replace faulty sensor
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