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Abnormal function during operation (lightning/radio waves)

Abnormal function during operation — Interference suspected

Daikin · room air conditioner

What does Abnormal function during operation (lightning/radio waves) mean?

The air conditioner is experiencing unexpected behavior, possibly due to external factors like lightning or strong radio waves. This can cause temporary malfunctions.

Common Causes

  • Lightning strike nearby
  • Strong radio frequency interference
  • Electrical surge

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn the main breaker OFF.

  2. 2

    Wait for a few minutes.

  3. 3

    Turn the breaker back ON.

  4. 4

    If the abnormal function continues, contact your dealer.

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

Related Faults

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Source: Daikin room air conditioner
Open Manual (Page 19)Search more codes in this manual