81
Daikin
Daikin air conditioner error 81
Meaning
Malfunction of leaving water temperature thermistor or drain pipe heater
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.