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265

Inv. err. 265 — Compressor is blocked: Overheated inverter

Nibe · Air Conditioning

What does 265 mean?

The inverter has temporarily reached its maximum working temperature due to poor cooling, for 15 minutes. This indicates an issue with the inverter's cooling or the unit's positioning.

Common Causes

  • Defective fan motor
  • Defective circuit board for inverter in F2040/AMS
  • Poor position of inverter – Check screws and paste
  • Too high current to inverter
  • Low supply voltage

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the fan motor for proper operation and connection.

  2. 2

    Inspect the inverter circuit board for defects.

  3. 3

    Ensure the inverter is correctly positioned and mounted.

  4. 4

    Verify the current and voltage supply to the inverter.

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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