8
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Troubleshooting
User reference guide
56
CTXA-C(W)(B)(S) + FTXA-C(W)(B)(S)
Daikin room air conditioner
4P518786-10K – 2023.05
Error code
Description
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
8.3 Troubleshooting for wireless LAN connection
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
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.
▪
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
