7 Troubleshooting
Operation manual
19
(C)(F)TXA15~50A2V1B(W)(S)(T)
Daikin room air conditioner
3P485919-7C – 2017.12
7.1.9
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.
7.2
Solving problems based on error
codes
When a problem happens, an error code appears on the user
interface. It is important to understand the problem and to take
measures before resetting an error code. This should be done by a
licensed installer or by your local dealer.
This chapter gives you an overview of all error codes and the
content of the error code as it appears on the user interface.
For a more detailed troubleshooting guideline for each error, please
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
Streamer unit error
Indoor heat exchanger thermistor abnormality
Opening or closing front panel error
Room temperature thermistor abnormality
Humidity sensor error
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
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
Compressor internal temperature error
7.3
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.
Problem
Measure
Connection to the WLAN adapter
is not possible (none of the LEDs
are blinking).
▪ Try operating the unit with the
user interface.
▪ Check if the power is on.
▪ Turn the unit off and back on
again.
The WLAN adapter is NOT
visible on the unit overview
screen (Home screen) after
configuration of the WLAN
adapter (WPS option).
▪ Make sure the wireless LAN
adapter is close enough to the
communication device.
▪ Check if communication is OK.
See
"To confirm the wireless
adapter connection status" on
page 12
.
▪ Make sure that the smart
device is connected to the
same wireless network as the
WLAN adapter.
▪ Try resetting to the factory
default and repeat the setting.
See
"To reset the connection
setting
to
the
factory
default" on page 13
.
