73
Daikin
Daikin air conditioner error 73
Meaning
System No. 2 Actuation of high pressure switch (HPS)
General meaning for the brand's models, unless a model's own manual says otherwise.
Related guides
- 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.