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Troubleshooting
Service manual
19
(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
Clean the outdoor heat exchanger. See
142].
Possible cause:
Dirty outdoor heat exchanger.
2
Check that all stop valves of the refrigerant circuit are open. See
Possible cause:
Closed stop valve in the refrigerant circuit.
3
Perform
a
check
of
the
heat
exchanger
thermistor.
See
119].
Possible cause:
Faulty heat exchanger thermistor.
4
Perform a check of the expansion valve. See
Possible cause:
Faulty expansion valve.
5
Perform a check of the main PCB. See
Possible cause:
Faulty main PCB.
6
Check if the refrigerant circuit is correctly charged. See
Possible cause:
Refrigerant overcharge.
7
Check for the presence of non‑condensables and/or humidity in the
refrigerant circuit. See
133].
Possible cause:
Non‑condensables and/or humidity in the refrigerant circuit.
8
Check if the refrigerant circuit is clogged. See
Possible cause:
Clogged refrigerant circuit.
9
Perform a check of the outdoor unit fan motor. See
Possible cause:
Faulty outdoor unit fan motor.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
1.5.18 F8-00 – System shutdown due to compressor internal temperature abnormality
Trigger
Effect
Reset
Temperature discharge
pipe thermistor exceeds
the determined limit.
Unit will stop operating.
Manual reset via user
interface.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1
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