3 | Troubleshooting
Service manual
26
RXJ20~50A + FTXJ-A(W)(S)(B)
Split Emura 3 R32
ESIE22-04 – 2022.04
3.5.17 F6-00 – Outdoor unit: Abnormal high pressure in cooling
Trigger Effect Reset
Outdoor heat exchanger
thermistor measures a
too high temperature.
Unit will NOT stop
operating.
Automatic reset when
temperature drops.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Clean the outdoor heat exchanger. See "6Maintenance"[472].
Possible cause: Dirty outdoor heat exchanger.
2 Check that all stop valves of the refrigerant circuit are open. See
"5.2Refrigerant circuit"[462].
Possible cause: Closed stop valve in the refrigerant circuit.
3 Perform a check of the heat exchanger thermistor. See Thermistors.
Possible cause: Faulty heat exchanger thermistor.
4 Perform a check of the expansion valve. See Expansion valve.
Possible cause: Faulty expansion valve.
5 Perform a check of the main PCB. See Main PCB.
Possible cause: Faulty main PCB.
6 Check if the refrigerant circuit is correctly charged. See "5.2 Refrigerant
circuit"[462].
Possible cause: Refrigerant overcharge.
7 Check for the presence of non‑condensables and/or humidity in the
refrigerant circuit. See "5.2Refrigerant circuit"[462].
Possible cause: Non‑condensables and/or humidity in the refrigerant circuit.
8 Check if the refrigerant circuit is clogged. See "5.2Refrigerant circuit"[462].
Possible cause: Clogged refrigerant circuit.
9 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.
3.5.18 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.
draft–22/04/2022 08:50
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