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Troubleshooting
Service manual
17
RXQ25+3 3 3
35AMV1B
Split Sensira R32 BBOP
ESIE21-16 – 2022.02
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
2.5.3 A6-00 – Indoor unit fan motor abnormality
Trigger
Effect
Reset
The rotation speed of the
fan motor is NOT
detected while the output
voltage to the fan is at its
maximum.
Unit will stop operating.
Power reset via the
outdoor unit.
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 main PCB. See
74].
Possible cause:
Faulty indoor unit main PCB.
2
Perform a check of the indoor unit fan motor. See
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.
2.5.4 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
108].
Possible cause:
Faulty indoor unit heat exchanger thermistor.
2
Perform a check of the indoor unit main PCB. See
74].
Possible cause:
Faulty indoor unit main PCB.