3
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Troubleshooting
Service manual
21
RXJ20~50A + FTXJ-A(W)(S)(B)
Split Emura 3 R32
ESIE22-04 – 2022.04
7
Perform a check of the outdoor unit fan motor. See Outdoor unit fan motor.
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.
3.5.11 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
62].
Possible cause:
Closed stop valve in the refrigerant circuit.
2
Perform a check of the discharge pipe thermistor. See Thermistors.
Possible cause:
Faulty discharge pipe thermistor or connector fault.
3
Perform a check of the outdoor unit fan motor. See Outdoor unit fan motor.
Possible cause:
Faulty outdoor unit fan motor.
4
Perform a check of the compressor. See Compressor.
Possible cause:
Faulty compressor or miswiring of the compressor power
supply cable.
5
Perform a check of the expansion valve. See Expansion valve.
Possible cause:
Faulty expansion valve.
6
Perform a check of the 4‑way valve. See 4-way valve.
Possible cause:
Faulty 4‑way valve.
7
Perform a check of the main PCB. See Main PCB.
Possible cause:
Faulty main PCB.
8
Check if the refrigerant circuit is correctly charged. See
62].
Possible cause:
Refrigerant shortage.
9
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.
10
Check if the refrigerant circuit is clogged. See
62].
Possible cause:
Clogged refrigerant circuit.
draft – 22/04/2022 08:50
Содержание Emura 3 Series
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