Daikin Siesta ATXM20N2V1B, User Reference Manual

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8 | Troubleshooting
User reference guide
47
ATXM20~50N2V1B
Daikin room air conditioner
4P518786-2F – 2020.05
Error code Description
Indoor/outdoor unit combination fault
Indoor unit
Error code Description
Indoor unit PCB abnormality
Freeze-up protection or high-pressure control
Fan motor (DC motor) abnormality
Indoor heat exchanger thermistor abnormality
Room temperature thermistor abnormality
Outdoor unit
Error code Description
4-way valve abnormality
Outdoor unit PCB abnormality
Overload activation (compressor overload)
Compressor lock
DC fan lock
Discharge pipe temperature control
High-pressure control (in cooling mode)
Compressor system sensor abnormality
Position sensor abnormality
DC voltage / current sensor abnormality
Outdoor temperature thermistor abnormality
Discharge pipe thermistor abnormality
Outdoor heat exchanger thermistor abnormality
Electrical parts heat error
Radiation fin temperature rise
Inverter instantaneous overcurrent (DC)
Radiation fin thermistor abnormality
8.3 Troubleshooting for wireless connection adapter
The following table provides a brief description of how to deal with some
problems. If none of the following solutions fix the problem, go to
http://
www.onlinecontroller.daikineurope.com/ for more information and FAQ.