30
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:
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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