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Troubleshooting
Service manual
14
(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
1.5.11 E5-00 – Outdoor unit: Overheat of inverter compressor motor
Trigger
Effect
Reset
Compressor overload is
detected.
Unit will NOT stop
operating.
Automatic reset if the unit
runs without warning for
60 seconds.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1
Check that all stop valves of the refrigerant circuit are open. See
133].
Possible cause:
Closed stop valve in the refrigerant circuit.
2
Perform
a
check
of
the
discharge
pipe
thermistor.
See
Possible cause:
Faulty discharge pipe thermistor or connector fault.
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 compressor. See
Possible cause:
Faulty compressor.
5
Perform a check of the expansion valve. See
54].
Possible cause:
Faulty expansion valve.
6
Perform a check of the 4‑way valve. See
39].
Possible cause:
Faulty 4‑way valve.
7
Perform a check of the main PCB. See
81].
Possible cause:
Faulty main PCB.
8
Perform a check of the inverter PCB. See
Possible cause:
Faulty inverter PCB.
9
Check if the refrigerant circuit is correctly charged. See
133].
Possible cause:
Refrigerant overcharge.
10
Check for the presence of non‑condensables and/or humidity in the
refrigerant circuit. See
Possible cause:
Non‑condensables and/or humidity in the refrigerant circuit.
11
Check if the refrigerant circuit is clogged. See
133].
Possible cause:
Clogged refrigerant circuit.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
Summary of Contents for Stylish Series
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