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Troubleshooting
Service manual
7
ATXP20~35 + FTXP20~71 + ARXP20~35 + RXP20~71
Split Comfora R32
ESIE18-01C – 2020.07
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 FTXP and ATXP units
1
Press
,
, and
simultaneously.
2
Press
.
3
Select .
4
Press
.
5
Press
to switch the system on.
Result:
Test run operation will stop automatically after about 30 minutes.
6
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
121].
Possible cause:
Faulty wiring between the outdoor unit and the indoor unit.
3
Check if the power supply is conform with the regulations. See
Possible cause:
▪
Faulty or disturbance of the power supply (imbalance >10%),
▪
Power drop,
▪
Short circuit.
4
Perform a check of the indoor unit main PCB. See
68].
Possible cause:
Faulty indoor unit main PCB.
Содержание Split Comfora R32
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