To Perform A Test Run Using The User Interface; Error Based Troubleshooting; A1-00 - Pcb Abnormality - Daikin FTXA20A Service Manual

1 | Troubleshooting

1.4.1 To perform a test run using the user interface

1.5 Error based troubleshooting

1.5.1 A1-00 – PCB abnormality
Service manual
8
1 Press to switch the system on.
2 Press and
3 Press , select and press
Result: Test run operation will stop automatically after about 30 minutes.
4 To stop operation sooner, press
Trigger
The system CANNOT set
the internal settings.
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
Possible cause: Faulty wiring between the outdoor unit and the indoor unit.
3 Check if the power supply is conform with the regulations. See
4
circuit" [ 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
4
PCB" [ 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.
simultaneously.
.
.
Effect
Unit will stop operating.
"3.1 Electrical
FTXA20~50A(W)(S)(T) + FTXA20~50B(B)(S)(T) + RXA42+50A +
Reset
Power reset via outdoor
unit.
4
circuit" [ 156].
"3.1 Electrical
"2.8 Indoor unit main
RXA20~35A(9) + RXA42+50B
Split Stylish R32
ESIE18-03D – 2021.05