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Compr.phs 2

Compr.phs 2 — Phase failure detected for compressor 2

Nibe · Ground Source Heat Pumps

What does Compr.phs 2 mean?

This alarm indicates that the voltage for compressor 2 has been below 160 V for 30 minutes. This can cause the compressor to block.

Common Causes

  • Phase failure in electrical supply
  • Defective fuse
  • Defective soft start card

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the electrical supply for phase failures.

  2. 2

    Verify fuses are intact.

  3. 3

    Inspect the soft start card for defects.

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