Remark:
Use a multimeter to test the DC
voltage between 2 port and 3 port of
outdoor unit. The red pin of
multimeter connects with 2 port while
the black pin is for 3 port.
When AC is normal running, the
voltage will move alternately between
-50V to 50V.
If the outdoor unit has malfunction,
the voltage will move alternately with
positive value.
While if the indoor unit has
malfunction, the voltage will be a
certain value.
Remark,
The old label is L1,L2,S, L1,L2
The new label is 1, 2, 3, L1,L2
Remark:
Use a multimeter to test the
resistance of the reactor which does
not connect with capacitor.
The normal value should be around
zero ohm. Otherwise, the reactor
must have malfunction and need to
be replaced.
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