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Radiation fin temperature rise

Radiation fin temperature rise — Fins are too hot

Daikin · room air conditioner

What does Radiation fin temperature rise mean?

The temperature of the unit's radiation fins has risen too high. This indicates a potential issue with heat dissipation.

Common Causes

  • Overheating of the unit
  • Blocked airflow to the fins
  • Issue with the cooling system

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the unit's power.

  2. 2

    Ensure air inlet and outlet are clear of obstructions.

  3. 3

    Clean the air filters if they are clogged.

  4. 4

    Contact a service professional if the problem persists.

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

Related Faults

4-way valve abnormality4-way valve abnormality — Refrigerant flow control issueA clapping sound is heardA clapping sound is heard — External device interferingAbnormal function during operation (lightning/radio waves)Abnormal function during operation — Interference suspected
Source: Daikin room air conditioner
Open Manual (Page 21)Search more codes in this manual