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Alarm bell in display

Alarm bell symbol in display — Malfunction detected

Nibe · Ground Source Heat Pumps

What does Alarm bell in display mean?

An alarm bell symbol appears in the information window, accompanied by a solid red status light. This signals a problem that requires attention.

Common Causes

  • Operational interference
  • System fault
  • Configuration issue

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Navigate to the alarm menu to view the specific alarm type.

  2. 2

    Follow any on-screen instructions for potential self-correction.

  3. 3

    Attempt to reset the alarm via the menu.

  4. 4

    If the issue continues, contact a qualified installer.

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

Related Faults

Alarm no. 54Alarm no. 54 — Motor protection breaker trippedAlarm numbers 70-99Alarm numbers 70-99 — Communication interruptedAnti-freeze 180Anti-freeze 180 — Anti-freeze protection active
Source: Nibe Ground Source Heat Pumps
Open Manual (Page 43)Search more codes in this manual