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High condensation water level

Alarm 'High condensation water level' — Condensation overflow detected

Nibe · Air Conditioning

What does High condensation water level mean?

This alarm indicates that the condensation water collection system is blocked or full. The compressor will switch off to prevent further condensation.

Common Causes

  • Blocked overflow cup
  • Blocked condensation drain

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Pull out the tab on the smaller overflow cup.

  2. 2

    Lift up and drain the smaller overflow cup.

  3. 3

    Check and clean the larger overflow cup and the overflow section.

  4. 4

    Reinstall the smaller cup.

  5. 5

    Select 'reset alarm' on the display.

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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