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Troubleshooting
Service manual
39
RXM20~71R + ARXM25~71R + FTXM20~71R + ATXM25~50R +
FVXM25~50A
Split New Perfera R32
ESIE20-11 – 2021.01
2.6.8 Operation starts and the unit stops immediately
Check
Detail
Check the power supply.
▪
Is the capacity of the safety breaker as
specified?
▪
If the earth leakage breaker is too
sensitive, then increase the set value
of the earth leakage current of the
breaker or replace the breaker.
▪
Is the circuit exclusive?
▪
Is the rated voltage (± 10%) supplied?
▪
Is there an incorrect size of
connection wiring?
Check the refrigerant charge.
▪
Overcharge.
▪
Air in the system.
▪
Water in the system.
Check the fan motor.
▪
Check the magnetic switch.
▪
Check the overcurrent relay.
Check the four way valve coil.
▪
Is there a short circuit?
▪
Is the four way valve coil broken?
Check the outdoor PCB.
▪
Is there a short circuit?
▪
Is the outdoor PCB broken?
Check the heat exchanger.
Soiled heat exchanger, obstruction.
Check the airflow.
Soiled air filter, obstruction, installation
space.
2.6.9 Operation stops, unit cannot start for a while
Check
Detail
Check if standby function is activated.
▪
Compressor delay timer is counting.
▪
Wait for minimum 3 minutes.
Check the power supply.
▪
Low voltage?
▪
Is the size of the power cable
sufficient?
Check the refrigerant charge.
▪
Incorrect charge.
▪
Air in the system.
▪
Water in the system.
▪
Obstruction in the system.
Check compressor.
▪
Overcurrent relay.
▪
Protection thermostat.
Содержание Perfera ARXM R Series
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