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Radiation fin thermistor abnormality

Radiation fin thermistor abnormality — Fin temp sensor error

Daikin · room air conditioner

What does Radiation fin thermistor abnormality mean?

The temperature sensor for the radiation fins is not working correctly. This impacts the unit's ability to manage its internal temperature.

Common Causes

  • Faulty radiation fin thermistor
  • Wiring issue
  • Sensor covered by debris

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the unit's power supply.

  2. 2

    Wait for 5 minutes.

  3. 3

    Restore power.

  4. 4

    If the problem persists, contact your dealer for assistance.

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