84
Daikin
Daikin air conditioner error 84
Meaning
System No. 1 Malfunction of heat exchanger thermistor
General meaning for the brand's models, unless a model's own manual says otherwise.
Related 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.