Daikin Siesta ATXF50A2V1B - Viewing Error Codes; System Error Codes; Indoor Unit Error Codes; Outdoor Unit Error Codes

8 | Troubleshooting
User reference guide
32
ATXF50~71A2V1B
Daikin room air conditioner
4P513685-6C – 2019.12
This chapter gives you an overview of all possible error codes and their descriptions
as they appear on the user interface.
For detailed troubleshooting of each error, see the service manual.
Fault diagnosis by user interface
The user interface can receive an error code from the indoor unit referring to the
fault. It is important to understand the problem and take measures before
resetting the error code. This should be done by a licensed installer or your local
dealer.
To see the error code on the user interface:
1 Hold for about 5seconds.
Result: blinks in the temperature display section.
2 Press repeatedly until a continuous beep is heard.
Result: The code is now displayed on the display.
INFORMATION
▪ A short beep and 2 consecutive beeps indicate non-corresponding codes.
▪ To cancel the code display, hold the cancel button for 5seconds. The code
will also disappear from the display if the button is NOT pressed within 1minute.
System
Error code Description
Normal
Refrigerant shortage
Overvoltage detection
Signal transmission error (between indoor and outdoor unit)
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
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
Input power overcurrent
Discharge pipe temperature control