Daikin FTXA20A - 1.5 Error Based Troubleshooting

1 | Troubleshooting
Service manual
8
FTXA20~50A(W)(S)(T) + FTXA20~50B(B)(S)(T) + RXA42+50A +
RXA20~35A(9) + RXA42+50B
Split Stylish R32
ESIE18-03D – 2021.05
1.4.1 To perform a test run using the user interface
1 Press
to switch the system on.
2 Press
and simultaneously.
3 Press
, select and press .
Result: Test run operation will stop automatically after about 30minutes.
4 To stop operation sooner, press
.
1.5 Error based troubleshooting
1.5.1 A1-00 – PCB abnormality
Trigger Effect Reset
The system CANNOT set
the internal settings.
Unit will stop operating. Power reset via outdoor
unit.
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 Check if the power supply is conform with the regulations. See "3.1Electrical
circuit"[4156].
Possible cause:
▪ Faulty or disturbance of the power supply (imbalance >4%),
▪ Power drop,
▪ Short circuit.
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.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.