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Troubleshooting
Service manual
17
RXJ20~50A + FTXJ-A(W)(S)(B)
Split Emura 3 R32
ESIE22-04 – 2022.04
1
Perform a check of the indoor unit main PCB. See Indoor unit PCB.
Possible cause:
Faulty indoor unit main PCB.
2
Perform a check of the indoor unit fan motor. See Indoor unit fan motor.
Possible cause:
Faulty indoor unit fan motor.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
3.5.4 AH-00 – Streamer unit abnormality
Trigger
Effect
Reset
Streamer unit starts
electric discharge when
operation starts after
approximately 90 to
180 seconds.
Unit will NOT 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
Perform a check of the streamer unit. See Streamer unit.
Possible cause:
Faulty streamer unit.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
3.5.5 C4-00 – Heat exchanger temperature sensor problem
Trigger
Effect
Reset
Refrigerant liquid
thermistor detects an
open or short circuit
during compressor
operation.
Unit will stop operating.
Power reset.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1
Perform a check of the indoor unit heat exchanger thermistor. See
Thermistors.
Possible cause:
Faulty indoor unit heat exchanger thermistor.
2
Perform a check of the indoor unit main PCB. See Indoor unit PCB.
Possible cause:
Faulty indoor unit main PCB.
draft – 22/04/2022 08:50