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Periodic hot water increase did not reach the stop temperature in 5 hours

Periodic hot water increase did not reach the stop temperature in 5 hours — Heating issues during hot water increase

Nibe · Ground Source Heat Pumps

What does Periodic hot water increase did not reach the stop temperature in 5 hours mean?

This informational message indicates that the periodic hot water increase cycle did not reach the set stop temperature within 5 hours, suggesting problems with the heating process.

Common Causes

  • Inadequate heating capacity
  • Issues with the hot water circulation system
  • Incorrect temperature settings

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the hot water settings in the menu.

  2. 2

    Ensure the heating capacity is sufficient for the demand.

  3. 3

    Inspect the hot water circulation system for blockages or faults.

  4. 4

    Consult the manual or a technician for detailed troubleshooting.

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 52)Search more codes in this manual