Gree GWH12TB-D3DNA1A Service Manual page 91

Start
Check the
connection wire
of reactor (L) of
outdoor unit and
PFC capacity
If there is damaged
short circuit
N
Remove PFC capacity
and test resistance of
two terminals
If the resistance
Y
value is 0
N
Cut the terminal of reactor,
test the resistance
between two terminals of
reactor with ohmic meter
If there is damaged
Y
short circuit
N
Replace
control board
AP1
End
Replace
connection
Y
wire with circuit
diagram
Capacity is
Re-energize
short
the unit and
circuit and
start it
replace it
Re-
Replace the
energize
reactor the unit and
start it
If the malfunction is
removed?
N
If the malfunction is
removed?
N
If the malfunction is
removed?
N
Y
Y
Y