T
est
Operation
9-4
Sa
m
sung
El
ectronics
9-1-3 How to troubleshoot of the "Undetermined"
1)
Indoor
Unit
T
e
m
perature
sensor
Ŷ
Inspection
ite
m :
Indoor
te
m
perature
of
each
Indoor
Unit
, E
VA
In
/
Out
T
e
m
perature
sensor
Ŷ
E
rror
code
:
None
(T
he
resu
l
ting
report
"
Undeter
m
ined
")
Ŷ
Deter
m
ine
the
status
of
the
T
e
m
perature
sensor
of
the
Indoor
Unit
insta
ll
ed
before
the
co
m
pressor
start.
Ŷ
If
the
j
udg
m
ent
of
Indoor
Unit
te
m
perature
sensor
is
"
Undeter
m
ined
" :
Chec
k
ing
in
accordance
w
ith
the
fo
ll
o
w
ing
order.
[Caution]
-
If
the
Outdoor
Unit
w
ith
a
histor
y
of
operation
(
Auto
T
ria
l
Operation
inc
l
usion
) :
Must
be
carried
out
Auto
T
ria
l
Operation
after
1
hour
fro
m
fina
l
operation
stopped.
-
If
the
Indoor
te
m
perature
setting
b
y w
ired
re
m
ote
contro
l :
Carried
out
the
Auto
T
ria
l
Operation
after
setting
the
T
e
m
perature
sensor
of
Indoor
Unit.
-
Indoor
Unit
of
outdoor
air
introduction
: W
i
ll
be
e
x
c
l
uded
fro
m
the
Indoor
air
te
m
perature
, E
VA
In
/
Out
T
e
m
perature
sensor
chec
k
ing.
No
Indoor Temperature
sensor setting
(Remote control
→
indoor unit)
Yes
Confirmation and Measures
No
Does Temperature sensor
connection wire of Outdoor Unit properly connect?
Yes
Replace sensor
No
Is Outdoor Unit
Temperature sensor resistance value normal?
Check the breakaway
of sensor or replace PCB
Blast operation for more than 10 minutes
Complete
Is deviations of the
Indoor Unit Temperature sensors, more than 10
℃
?
Is deviations of the Indoor Unit
Temperature sensors, less than 10
℃
?
Yes
Yes
Yes
Is Indoor temperature of
the Indoor Unit by wired remote control setting?
No
[Discharge
Temperature sensor
resistance value]
Temperature(
℃
)
70
60
50
40
30
20
10
0
-10
2.2
3.0
4.2
5.8
8.3
12.1
18.0
27.3
43.0
Resistance(K
Ω
)
※
Resistance measurement method After
separating the Temperature sensor connector
from the PCB, measure the resistance value
between the two terminals.
Содержание AM080*XV Series
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