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264

Communication error with Inverter — Compressor is blocked: Interrupted communication

Nibe · Air Conditioning

What does 264 mean?

Communication between the inverter board and the control board/PCB is interrupted. This can be caused by faulty cables or defective components.

Common Causes

  • Defective communication cables
  • Poor connection between control board/PCB and inverter
  • Inverter de-energised or defective
  • Defective control board in F2040/AMS

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check communication cables for damage and secure connections.

  2. 2

    Verify the connection between the control board and inverter.

  3. 3

    Ensure the inverter has power and is functional.

  4. 4

    Contact a service technician for diagnosis.

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

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Source: Nibe Air Conditioning
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