19
TROUBLESHOOTING
9
9-1. HOW TO CHECK THE PARTS
PLFY-P32/40/50/63/80/100/125VBM-E.UK PLFY-P32/40/50/63/80VBM-E
1
.UK
Parts name
Check points
Disconnect the connector then measure the resistance with a tester.
(At the ambient temperature of 10
:
~30
:
)
Measure the resistance between the terminals with a tester.
(Winding temperature 20
:
)
Measure the resistance between the terminals with a tester.
Drain pump (DP)
i-see sensor
(Option)
Drain float switch (FS)
(Refer to Thermistor characteristic graph.)
Room temperature
thermistor (TH21)
Liquid pipe thermistor
(TH22)
Gas pipe thermistor
(TH23)
1
3
YLW
YLW
Normal
4.3k
"
~9.6k
"
Abnormal
Open or short
Normal
Abnormal
290
"
Open or short
State of moving part
Abnormal
DOWN
Other than open
UP
Normal
Open
Short
Other than short
Measure the resistance between the terminals with a tester.
(At the ambient temperature of 20
:
~30
:
)
Vane motor (MV)
Vane motor for
i-see sensor (Option)
Abnormal
Open or short
Red - Yellow
(
5
-
3
,
0
-
8
,
5
-
3
,
)
-
8
)
Red - Blue
(
5
-
1
,
0
-
6
,
5
-
1
,
)
-
6
)
Red - Orange (
5
-
4
,
0
-
9
,
5
-
4
,
)
-
9
)
Red - White
(
5
-
2
,
0
-
7
,
5
-
2
,
)
-
7
)
Connector
Normal
300
"
Measure the resistance between the terminals with a tester.
(At the ambient temperature of 20
:
~30
:
)
Abnormal
Open or short
Red - Yellow
Red - Blue
Red - Orange
Red - White
Connector
Normal
250
"
Disconnect the connector then measure the resistance valve with a tester.
Linear expansion
valve(LEV)
Abnormal
Open or short
Normal
150k
"
i
10%
White-Red
Yellow-Brown
Orange-Red
Blue-Brown
Orange
Red
White
Blue
Brown
Yellow
M
Refer to 9-1-3.
Normal
Do not disassemble corner panel
with i-see sensor.
Black plastic tape
Turn on the indoor unit with the black plastic tape on the outside of
i-see sensor controller board.
With electricity being turned on, measure the power voltage between connectors with tester.
i-see sensor rotates and pull out the connector of motor for i-see sensor.
Abnormal
DC 1.857V~ 3.132V
Other than the normal
DC 0.939V~ 1.506V
2
(–)—
4
(+)
i-see sensor connector
i-see sensor
(At the ambient temperature of 10
:
~40
:
)
NOTE : Be careful of handing such a static electricity.
1
(+)—
2
(–)
Other than the normal
4 3 2 1
4 3
1
Blue BlackPink Brown
2
2
1
Moving part
4
3
Switch
Magnet
Moving
Part
Yellow
Blue
Red
Orange
White
Yellow
Blue
Red
Orange
White
OCH413--1.qxp 07.10.16 0:36 PM Page 19
