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7
TROUBLESHOOTING
7-1. HOW TO CHECK THE PARTS
TPCFYP015KM140B
Parts name
Room temperature
Disconnect the connector then measure the resistance with a tester.
thermistor
(TH21)
(At the ambient temperature 50 F~86 F)
Liquid pipe thermistor
(TH22)
Gas pipe thermistor
(TH23)
Vane motor (MV)
Measure the resistance between the terminals with a tester.
(At the ambient temperature of 68°F~86°F)
White
Orange
Red
Yellow
Blue
Drain pump (DP) (Option)
Measure the resistance between the terminals with a tester.
(Winding temperature 68°F)
YLW
1
3
YLW
Drain float switch (FS)
Measure the resistance between the terminals with a tester.
(Option)
Moving part
1
2
3
4
i-see sensor
(Option)
4
3
2 1
i-see sensor (At the ambient temperature of 50°F~104°F)
4 3
2
1
Blue BlackPink Brown
NOTE : Be careful of handing such a static electricity.
Measure the resistance between the terminals with a tester.
Vane motor for
(At the ambient temperature of 68°F~86°F)
i-see sensor (Option)
White
Orange
Red
Yellow
Blue
Linear expansion
Disconnect the connector then measure the resistance valve with a tester.
valve (LEV)
Blue
Brown
M
Yellow
White
Red
Orange
TCHT002
TCHT002
TPCFYP024KM140B
Normal
4.3k ~9.6k
Open or short
Connector
Normal
Red - Yellow
Red - Blue
Red - Orange
Red - White
Normal
290
Open or short
State of moving part
Normal
UP
Short
DOWN
Open
Turn on the indoor unit with the black plastic tape on the outside of i-see sensor controller board.
i-see sensor rotates then pull out the connector of motor for i-see sensor.
With electricity being turned on, measure the power voltage between connectors with tester.
Black plastic tape
i-see sensor connector
(–)— (+)
(+)— (–)
Connector
Normal
Red - Yellow
Red - Blue
Red - Orange
Red - White
Normal
White-Red
Yellow-Brown
200
TPCFYP030KM140B
Check points
Abnormal
(Refer to the next page for a detail.)
Abnormal
Open or short
300
Abnormal
Abnormal
Other than short
Other than open
Normal
DC 1.857V~ 3.132V
DC 0.939V~ 1.506V
Abnormal
Open or short
250
Orange-Red
Blue-Brown
10%
26
TPCFYP036KM140B
Switch
Magnet
Moving part
Abnormal
Other than the normal
Other than the normal
Abnormal
Refer to 8-1-2.
Open or short
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