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MP alarm

MP alarm — Motor protection breaker tripped

Nibe · Ground Source Heat Pumps

What does MP alarm mean?

This alarm indicates that the motor protection breaker has tripped, usually due to a defective compressor, which blocks the compressor.

Common Causes

  • Defective compressor
  • Motor protection breaker malfunction

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the motor protection breaker status.

  2. 2

    If the breaker has tripped, reset it once.

  3. 3

    If the alarm persists, contact a service technician to inspect the compressor.

Browse all codes in this manual (49)
Verified technical data. Last updated: April 2026

Related Faults

Alarm bell in displayAlarm bell symbol in display — Malfunction detectedAlarm no. 54Alarm no. 54 — Motor protection breaker trippedAlarm numbers 70-99Alarm numbers 70-99 — Communication interrupted
Source: Nibe Ground Source Heat Pumps
Open Manual (Page 48)Search more codes in this manual