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Troubleshooting
Service manual
15
RXQ25+3 3 3
35AMV1B
Split Sensira R32 BBOP
ESIE21-16 – 2022.02
INFORMATION
▪
Even if the unit is turned OFF, it consumes electricity.
▪
When the power turns back on after a power break, the previously selected
mode will be resumed.
2.4.1 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.
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.
2.5 Error based troubleshooting
2.5.1 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
118].
Possible cause:
Faulty wiring between the outdoor unit and the indoor unit.
3
Check if the power supply is compliant with the regulations. See