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LOW HOT WATER TEMPERATURE OR A LACK OF HOT WATER

Low or No Hot Water — Hot water is not hot enough or missing

Nibe · Air Conditioning

What does LOW HOT WATER TEMPERATURE OR A LACK OF HOT WATER mean?

The hot water produced by the heat pump is not reaching the desired temperature or there is no hot water available. Ensure settings are checked on the indoor or control module.

Common Causes

  • High consumption of hot water recently.
  • Incorrect hot water settings configured on the indoor or control module.
  • The filterball is clogged.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Wait for the hot water tank to reheat if there has been high consumption.

  2. 2

    Check and adjust the hot water settings on the indoor module or control module.

  3. 3

    Switch off the system and inspect the filterball.

  4. 4

    Clean the filterball if it appears clogged.

Browse all codes in this manual (95)
Verified technical data. Last updated: April 2026

Related Faults

107Sensor flt: BT7 HW sens top 107 — Sensor fault: Hot water sensor151Sen flt: CL11- BT51 pool temp sensor 151 — Sensor fault: Pool temperature sensor152Sen flt: CL12- BT51 pool temper- ature sensor 152 — Sensor fault: Pool temperature sensor
Source: Nibe Air Conditioning
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