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Kyle ObrienAug 1, 2025
What to do if the compressor does NOT start on my Daikin Air Conditioner?
- CCharles JenkinsAug 1, 2025
If the compressor on your Daikin Air Conditioner doesn't start, it could be due to several reasons. If the water temperature is too low, the unit uses the backup heater to reach the minimum water temperature first (15°C). Check that the power supply to the backup heater is correctly wired, the backup heater thermal protector is NOT activated and the backup heater contactors are NOT broken. Also, verify that the preferential kWh rate power supply settings and electrical connections match. If a preferential kWh rate signal was sent by the electricity company, wait for the power to return (2 hours max.).
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