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154 412

Sensor fault from PCA 154 412 — Compressor is blocked: Outdoor unit sensor fault

Nibe · Air Conditioning

What does 154 412 mean?

There is a sensor fault in the outdoor unit, indicated by 'Sensor fault from PCA 154 412'. Consult the relevant manual for guidance.

Common Causes

  • Sensor fault in the outdoor unit

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the relevant manual for instructions regarding 'Sensor fault from PCA 154 412'.

  2. 2

    Test outdoor unit sensors for accuracy.

  3. 3

    Inspect PCA connections.

  4. 4

    Contact a qualified technician.

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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