21
TROUBLESHOOTING
8
8-1. HOW TO CHECK THE PARTS
PCFY-P40VKM-E
PCFY-P63VKM-E
PCFY-P100VKM-E
PCFY-P125VKM-E
PCFY-P40VKM-ER1
PCFY-P63VKM-ER1
PCFY-P100VKM-ER1
PCFY-P125VKM-ER1
Parts name
Check points
Disconnect the connector then measure the resistance with a tester.
(At the ambient temperature of 10°C~30°C)
Measure the resistance between the terminals with a tester.
(Winding temperature 20°C)
Measure the resistance between the terminals with a tester.
Drain pump (DP)
(Option)
Drain float switch (FS)
(Option)
(Refer to Thermistor characteristic graph.)
Room temperature
thermistor (TH21)
Liquid pipe thermistor
(TH22)
Gas pipe thermistor
(TH23)
1
3
Normal
4.3kΩ~9.6kΩ
Abnormal
Open or short
Normal
Abnormal
290Ω
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°C~30°C
Vane motor (MV)
Abnormal
Open or short
Red - Yellow
Red - Blue
Red - Orange
Red - White
Connector
Normal
300Ω
Disconnect the connector then measure the resistance value with a tester.
Linear expansion
valve (LEV)
Abnormal
Open or short
Normal
200Ω ±10%
White-Red Yellow-Brown Orange-Red Blue-Brown
Orange
Red
White
Blue
Brown
Yellow
M
Refer to 8-1-2.
MV
2
1
Moving part
4
3
Switch
Magnet
Moving part
Yellow
Blue
Red
Orange
White
OCH449A
