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

550 - Improper Load Detected

The drive system detected an abnormal electrical or mechanical load.

Medium severity Caution rideability Soon urgency

What it means

The controller is protecting the motor and electronics.

Common causes

  • Overload
  • Brake drag
  • Controller stress
  • Wrong gear under heavy load

Symptoms

  • Reduced assist
  • Cut-out on hills
  • Motor feels weak

How to fix it

  • Reduce load
  • Check brakes
  • Use easier gear
  • Let system cool
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