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10-6. HOW TO CHECK THE PARTS
PLA-RP35BA.UK
PLA-RP100BA.UK
PLA-RP35BA
.UK
1
PLA-RP35BA#2.UK
PLA-RP100BA#2.UK PLA-RP125BA#2.UK PLA-RP140BA#2.UK
PLA-RP71BA2.UK
Parts name
Room temperature
thermistor
(TH1)
Pipe temperature
thermistor/liquid(TH2)
Condenser/Evaporator
temperature thermistor
(TH5)
Vane motor (MV)
White
Orange
Red
Yellow
Blue
Drain pump (DP)
Measure the resistance between the terminals with a tester.
(Winding temperature 20
YLW
1
3
YLW
Drain float switch (FS)
Measure the resistance between the terminals with a tester.
Moving part
1
2
3
4
i-see sensor
(Option)
4 3 2 1
4 3
2
1
Blue BlackPink Brown
Vane motor for
i-see sensor (Option)
White
Orange
Red
Yellow
Blue
PLA-RP50BA.UK
PLA-RP125BA.UK
PLA-RP50BA
.UK
1
PLA-RP50BA#2.UK
PLA-RP100BA2.UK
Disconnect the connector then measure the resistance with a tester.
(At the ambient temperature of 10
Normal
4.3k ~9.6k
Measure the resistance between the terminals with a tester.
(At the ambient temperature of 20
Connector
Red - Yellow
( - ,
- ,
Red - Blue
( - ,
- ,
Red - Orange ( - ,
- ,
Red - White
( - ,
- ,
Normal
290
State of moving part
Normal
UP
DOWN
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.
Black plastic tape
i-see sensor (At the ambient temperature of 10
i-see sensor connector
(–)— (+)
(+)— (–)
NOTE : Be careful of handing such a static electricity.
Measure the resistance between the terminals with a tester.
(At the ambient temperature of 20
Connector
Red - Yellow
Red - Blue
Red - Orange
Red - White
PLA-RP60BA.UK
PLA-RP140BA.UK
PLA-RP60BA
PLA-RP60BA#2.UK
PLA-RP125BA2.UK
Check points
~30
)
Abnormal
(Refer to the thermistor.)
Open or short
~30
)
-
,
-
)
-
,
-
)
-
,
-
)
-
,
-
)
)
Abnormal
Open or short
Abnormal
Short
Other than short
Open
Other than open
~40
Normal
DC 1.857V~ 3.132V
DC 0.939V~ 1.506V
~30
)
Normal
Abnormal
Open or short
250
28
PLA-RP71BA.UK
.UK
PLA-RP71BA
1
PLA-RP71BA#2.UK
Abnormal
Normal
300
Open or short
Switch
Magnet
Do not disassemble corner panel
with i-see sensor.
)
Abnormal
Other than the normal
Other than the normal
.UK
1
Moving
Part
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