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Troubleshooting
Service manual
21
RXM20~71R + ARXM25~71R + FTXM20~71R + ATXM25~50R +
FVXM25~50A
Split New Perfera R32
ESIE20-11 – 2021.01
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
Possible cause:
Closed stop valve in the refrigerant circuit.
2
Check if the refrigerant circuit is correctly charged. See
Possible cause:
Refrigerant overcharge.
3
Check for the presence of non‑condensables and/or humidity in the
refrigerant circuit. See
204].
Possible cause:
Non‑condensables and/or humidity in the refrigerant circuit.
4
Check if the refrigerant circuit is clogged. See
Possible cause:
Clogged refrigerant circuit.
5
Perform
a
check
of
the
discharge
pipe
thermistor.
See
189].
Possible cause:
Faulty discharge pipe thermistor or connector fault.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
2.5.18 H0-00 – Outdoor unit: Voltage/current sensor problem
Trigger
Effect
Reset
Compressor voltage (DC)
is out of range before
start‑up.
Unit will 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 main PCB. See
123].
Possible cause:
Faulty main PCB.
2
Check if the power supply is conform with the regulations. See
Possible cause:
▪
Faulty or disturbance of the power supply (imbalance >4%),
▪
Power drop,
▪
Short circuit.
Prerequisite:
Stop the unit operation via the user interface.
3
Turn OFF the respective circuit breaker.
Содержание Perfera ARXM R Series
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