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Troubleshooting
User reference guide
35
FTXF50~7 FTXF50~71A2V1B
Daikin room air conditioner
4P513685-9E – 2021.07
8.1.9 Symptom: The outdoor fan rotates while the air conditioner is not in operation
▪
After operation has stopped.
The outdoor fan continues to rotate for another
30 seconds for system protection.
▪
While the air conditioner is not in operation.
When the outdoor temperature is
very high, the outdoor fan starts to rotate for system protection.
8.2 Solving problems based on error codes
Fault diagnosis by user interface
If the unit runs into a problem, you can identify the fault by checking the error
code by the user interface. 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.
INFORMATION
See the service manual for:
▪
The complete list of error codes
▪
A more detailed troubleshooting guideline for each error
To check the error code by the user interface
1
Aim the user interface at the unit and press
for about 5 seconds.
Result:
blinks in the temperature setting display section.
2
Aim the user interface at the unit and 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
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
