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Troubleshooting
12-2-2 The Outdoor unit power supply error
1
.
C
h
e
c
kl
i
s
t
:
1
)
Are
th
e
in
pu
t
power vol
2)
Is
th
ere
n
o Fuse s
h
or
3)
Is
th
e
c
able
c
o
nn
e
ct
4
)
Is
th
e w
i
re
c
o
nn
e
ct
ed
2.
Troubles
h
oo
tin
g pro
c
Is
th
e vol
t
age o
f in
door u
t
erm
in
al blo
c
k 1 a
n
d
a
ft
er power
in
pu
Yes
Pull ou
t th
e power
a
n
d exe
c
u
t
e
th
e
f
o llow
a
ft
er
30
se
c
o
n
ds
Is
th
e ou
t
door u
nit n
Yes
Is
th
e ou
t
door u
nit n
Is
th
e rea
ct
or
c
o
nn
e
ct
ed
Yes
Is
th
e +, - o
f
C1
02
s
Yes
Ex
ch
a
n
ge
th
e PCB
Yes
Is
th
e +,- o
f
C1
02
s
Yes
Ex
ch
a
n
ge
th
e PCB
1
2
-
3
t
age a
n
d
th
e power
c
o
nn
t in th
e
in
door u
nit
a
n
d ou
t
door u
ed
c
orre
ct
ly be
t
wee
n th
e
in
door u
c
orre
ct
ly
t
o
th
e
t
erm
in
al blo
edure
nit
No
2 c
orre
ct
t
?
Is
th
c
ord
in
g s
t
ep
.
No
ormal?
No
ormal?
c
orre
ct
ly?
No
h
or
t
?
.
No
h
or
t
?
.
e
cti
o
n c
orre
ct
?
nit
?
nit
a
n
d ou
t
door u
nit in
c
k o
f th
e
in
door u
nit
a
n
d ou
Is
th
e R
70
1 res
i
s
t
a
nc
e o
f
in
door PCB
200
Ω?
e
in
door u
nit f
u se
n
ormal?
Ex
ch
a
n
ge
th
e
f
u se
.
Co
nn
e
ct th
e rea
ct
or w
i
re
.
D
i
sassemble
th
e PCB
f
r om
th
e
c
ase
.
Yes
Is
th
ere
n
o error a
t
th
e
in
ser
ti
o
n
o
f
PCB?
Yes
Ex
ch
a
n
ge
th
e PCB
.
Are
th
e BLDC FAN W
i
re
n
3
h
t
1 a
d
s
or
?
Yes
Ex
ch
a
n
ge
th
e BLDC FAN
.
order
.
t
door u
nit
?
No
Ex
ch
a
n
ge
th
e PCB
No
Ex
ch
a
n
ge
th
e
f
u se
Samsu
.
.
Normal Opera
ti
o
n
Ex
it
n
g Ele
ct
ro
nic
s
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