Service Manual - DVH 09/12/18/24 SF Series
Service Manual - DVH 09/12/18/24 SF Series
35
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, the voltage will
move alternately between -25V to 25V.
If the outdoor unit has a malfunction, the
voltage will move alternately with
positive value.
When the indoor unit has a malfunction,
the voltage will be steady.
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 has a
malfunction.
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