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Service Manual
K
Start
Check If the power supply is normal
Turn on the unit after the
yes
power supply resumes to
Power supply is abnormal
normal situation
no
Check if the outdoor induction is broken
yes
T
h
e
n i
d
u
t c
o i
n
s i
b
o r
k
e
n
R
e
p
a l
c
e
h t
e
n i
d
u
t c
o i
n
no
no
Malfunction is eliminated
Replace the outdoor
mainboard
yes
End
Installation and Maintenance
30
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