Daikin FTXA20A - Page 31

1 | Troubleshooting
Service manual
31
FTXA20~50A(W)(S)(T) + FTXA20~50B(B)(S)(T) + RXA42+50A +
RXA20~35A(9) + RXA42+50B
Split Stylish R32
ESIE18-03D – 2021.05
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Check for improper combination of the indoor unit and the outdoor unit. See
the combination table in the Databook for more information.
2 Perform a check of the power supply, connections, wiring,… between the
outdoor unit and the indoor unit. See "3.1Electrical circuit"[4156].
Possible cause: Faulty wiring between the outdoor unit and the indoor unit.
3 Perform a check of the main PCB. See "2.12Main PCB"[491].
Possible cause: Faulty main PCB.
4 Perform a check of the indoor unit main PCB. See "2.8 Indoor unit main
PCB"[475].
Possible cause: Faulty indoor unit main PCB.
5 Perform a check of the indoor unit power PCB. See "2.9 Indoor unit power
PCB"[481].
Possible cause: Faulty indoor unit power PCB.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.