Daikin Sensira Series, Руководство по обслуживанию

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1 | Troubleshooting
Service manual
7
FTXF20~71A + FTXF20~25B + FTXF20~42C + ATXF20~71A + ATXF20~42C
+ RXF20~71A + RXF20~60B + RXF20~42C + ARXF20~71A + ARXF20~42C
Split Sensira R32
ESIE18-12E – 2021.02
1.4.1 To perform a test run in winter season
When operating the air conditioner in Cooling mode in winter, set it to test run
operation using the following method.
For FTXF and ATXF units
1 Press to switch the system on.
2 Press the centre of and simultaneously.
3 Press twice.
Result: will appear on the display. Test run operation is selected. Test run
operation will stop automatically after about 30 minutes.
4 To stop operation, press .
INFORMATION
Some of the functions CANNOT be used in the test run operation mode.
If a power failure occurs during operation, the system automatically restarts
immediately after power is restored.
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
127].
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" [ 4 127].
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 "2.6 Indoor unit main
PCB" [
4
67].
Possible cause: Faulty indoor unit main PCB.