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Troubleshooting
Service manual
28
(C)(F)TXA15~50A(W)(S)(T) + (C)(F)TXA15~50B(B)(S)(T) + RXA42+50A +
RXA20~35A + RXA42+50B
Split Stylish R32
ESIE18-03C – 2020.02
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1
Check if the power supply is conform with the regulations. See
131].
Possible cause:
▪
Faulty or disturbance of the power supply (imbalance >10%),
▪
Power drop,
▪
Short circuit.
2
Perform a check of the compressor. See
Possible cause:
Faulty compressor.
3
Perform a check of the outdoor unit fan motor. See
89].
Possible cause:
Faulty outdoor unit fan motor.
4
Perform a check of the main PCB. See
81].
Possible cause:
Faulty main PCB.
5
Perform a check of the inverter PCB. See
Possible cause:
Faulty inverter PCB.
6
Wait until the compressor restarts.
Possible cause:
▪
Momentary drop of voltage,
▪
Momentary power failure.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
1.5.32 U4-00 – Indoor/outdoor unit communication problem
Trigger
Effect
Reset
Communication failure
between outdoor and
indoor unit.
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 if the power supply is conform with the regulations. See
131].
Possible cause:
▪
Faulty or disturbance of the power supply (imbalance >10%),
▪
Power drop,
▪
Short circuit.
Summary of Contents for Stylish Series
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