Service Diagnosis
3
8
The resistances are
more than 40kΩ
YES
The resistances
between black line and
red line, between black
line and white line of the
fan terminal of outdoor
PCB are greater than
10MΩ
YES
The module PCB is
damaged, replace it
with a new one.
The motor of the
outdoor unit is
damaged and needs
replacing.
NO
NO
The outdoor PCB is
damaged. Replace it
with a new one.
