Gree GWHD(28)NK3FO, Руководство по обслуживанию

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56
Installation and Maintenance
Service Manual
5. Start failuremalfunction
Main checking points:
If the stop duration of the compressor is sufficient;
If the connection wire of the compressor is connected properly;
If the compressor is broken;
Flow chart:
If the refrigerant charging amount is too much; ;
Energize and
start the unit
If the stop duration of the compressor
is longer than 3min
If the connection wire of the compressor
is connected well and correctly
Eliminate the malfunction
Reconnect the connection wire
of the compressor according
to the wiring diagram
If the refrigerant charging
amount is too much
Charge the refrigerant
according to the
service manual
Eliminate the malfunction
Eliminate the malfunction
Replace the compressor
End
Replace the outdoor
mainboard
The stop duration of the unit is
not enough, the high and low
pressure of the system is not
balanced,restart it after 3min
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes