Samsung AQV09NSD Service Manual page 74

Split-type air conditioners
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 Troubleshooting
12-2-9 Coil temperature sensor error
1
.
C
h
e
c
kl
i
s
t
 :
1
)
 Is
th
e se
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sor
c
o
nn
e
ct
or
c
2)
 Is
th
e se
n
sor pla
c
ed
c
orre
3)
 Does
th
e bo
th t
erm
in
al o
4
)
 Is
th
e res
i
s
t
a
nc
e value o
2.
 Troubles
h
oo
tin
g pro
c
edure
Is
th
e se
n
sor
c
o
nn
e
ct
c
orre
ct
ly
in
 a
cc
orda
nc
Yes
Is
th
e
t
empera
t
ure se
n
c
orre
ct
ly w
ith
ou
t
 separa
Yes
Does
th
e bo
th t
erm
in
sa
ti
s
y
th
e res
i
value
in
 a
cc
orda
nc
e w
ith t
(
Re
e r
t
o
th
e R/T TABLE
Yes
Is
th
e res
i
s
t
a
nc
o
  se
n
sor
c
o
nn
e
cti
o
n
 pull_up 1
Yes
4
00.0
3
5
0.0
300.0
2
5
0.0
200.0
15
0.0
1
00.0
5
0.0
0.0
         0
        5
    -
1
2
-11
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o
nn
e
ct
ed
c
orre
ct
ly?
ct
ly?
  se
n
sor sa
ti
s
y
th
e res
i
s
t
a
nc
e value
  se
n
sor
c
o
nn
e
cti
o
n
 pull_up
c
orre
ct
or
c
o
nn
e
ct
ed
e w
ith
 a
c
olor?
sor
c
o
nn
e
ct
ed
ti
o
n
?
al o
  se
n
sor
s
t
a
nc
e
No
empera
t
ure?
)
e value
No
8.2
K?
        1
         2
         3
        4
        5
4
         3
         2
    -
        4
         3
         2
        1
        1
         2
    -
    -
    -
    -
in
 a
cc
orda
nc
e w
ith t
empera
t
ure?
?
Re
c
o
nn
e
ct th
e se
n
sor
c
o
nn
No
C
h
a
n
ge
th
e pos
iti
o
n
 o
  se
No
Ex
ch
a
n
ge
th
e se
n
sor
No
Ex
ch
a
n
ge
th
e PCB
.
Ex
ch
a
n
ge
th
e PCB
.
        1
         0
        9
         8
         7
        6
        5
        4
         3
         3
        4
        4
        5
        6
         7
         8
        9
         0
        1
e
ct
or
.
n
sor
.
.
Normal opera
ti
o
n
Ex
it
Samsu
n
g Ele
ct
ro
nic
s

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