87
[E5] Inverter IOL action circuit
Whether the IOL
loop is normal?
1.Connection of the connectors;2.Wiring;
3.Outdoor PCB;
No
Repair IOL circuit
Whether the
gas pipe, liquid pipe and shutoff valve
of outdoor unit are all open
No
Yes
Yes
Fully open shutoff valve
Whether
outdoor PMV is normal
1.Connection of the connectors; 2.Wiring
3.Winding; 4.Valve body;
5.Outdoor PCB
No
Yes
Yes
No
Repair outdoor PMV
Whether the wiring is correct
Wiring as per regulation
(Check the function and conductconfirmation through outdoor
unit mismatching line)
Insufficient refrigerant, block, refrigerant
pipe is bent
(Confirm whether there are block, broken refrigerantpipe. Judge whether the refrigerant is required to add asper the injection rate of the refrigerant)
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