11
TROUBLE SHOOTING
7
7-1. How to check PKFY-P32VGM-A , PKFY-P40VGM-A, PKFY-P50VGM-A
Room temperature
thermistor (TH21)
Liquid pipe temperature
thermistor (TH22)
Gas pipe temperature
thermistor (TH23)
Vane motor
Fan motor
Linear expansion
valve
Disconnect the connector then measure the resistance with the tester.
(Surrounding temperature 10°C~30°C)
Measure the resistance between the terminals using the tester.
(Surrounding temperature 20°C~30°C)
Disconnect the connector then measure the resistance with the tester.
(Surrounding temperature 20°C)
Normal
4.3k
'
~9.6k
'
Abnormal
Open or short
Normal
Abnormal
186
'
~ 214
'
Open or short
Motor terminal or
relay connector
Normal
Abnormal
Red - Black
141.2
Ω
Open or short
White - Black
131.5
Ω
Normal
(1)-(5)
White-Red
150
'
±10%
Abnormal
Open or short
(2)-(6)
Yellow-Brown
(3)-(5)
Orange-Red
(4)-(6)
Blue-Brown
1
3
2
2
3
1
Red
White
Black
Fan
Protector
Orange
Red
White
Blue
Brown
Yellow
3
6
1
5
4
2
M
Parts name
Check method
Measure the resistance between the terminals using the tester.
(Surrounding temperature 20°C)
M
Blue
Brown
Yellow
Orange
Red
Pink
4
5
2
3
6
1
Red - Pink
Connector
Brown - Yellow
Brown - Blue
Red - Orange
(Refer to the next page for a detail.)
(Refer to the next
page for a detail.)
OC250.qxp 2/24/01 9:50 AM Page 11
