C5
Daikin
Daikin air conditioner error C5
Meaning
Indoor heat exchanger (2) thermistor short / open
General meaning for the brand's models, unless a model's own manual says otherwise.
Meaning
Suction pipe sensor
General meaning for the brand's models, unless a model's own manual says otherwise.
Meaning
Malfunction of gas pipe thermistor for heat exchanger
General meaning for the brand's models, unless a model's own manual says otherwise.
Causes and how to check
- 3 possible causes
- the cited manual page, and follow-up questions
No account needed to look up codes.
Guides
- Checking an air conditioner temperature sensor (thermistor)
How to check the room, coil or discharge sensor when the unit reports a sensor error: measure its resistance and compare with the exact model's table. - Pressure, low refrigerant and high discharge temperature errors: where to start
Pressure and discharge-temperature protection codes: tell a low charge from a blockage or poor heat rejection before charging.