12
7
TROUBLE SHOOTING
7-1. How to check the parts PLFY-P•VKM-A
Room temperature
thermistor
(TH21)
Liquid pipe thermistor
(TH22)
Gas pipe thermistor
(TH23)
Vane motor
Fan motor
Linear expansion
valve
Drain-up
mechanism
Drain sensor
Disconnect the connector, then measure the resistance using a tester.
(Surrounding temperature 10°C~30°C)
Measure the resistance between the terminals using a tester.
(Surrounding temperature 20
;
~30
;
)
Measure the resistance between the terminals using a tester.
Disconnect the connector then measure the resistance valve using a tester.
Measure the resistance between the terminals using a tester.(Surrounding temperature : 20
;
~30
;
)
Measure the resistance after 3 minutes have passed since the power supply was intercepted.
(Surrounding temperature : 0
;
~ 60
;
)
(Refer to the next page for a detail.)
(Refer to the next page for a detail.)
Normal
4.3k
'
~9.6k
'
Abnormal
Open or short
Normal
Approx.14k
'
Abnormal
Open or short
Normal
327
'
Abnormal
Open or short
Motor terminal
or
Relay connector
Normal
PLFY-P•VKM
P32,P40,P50,P63
Abnormal
Red-Black
136.2
'
Open or short
White-Black
197.5
'
Normal
0.6k
'
~6.0k
'
Abnormal
Open or short
Normal
(1)-(5)
White-Red
150
'
±10%
Abnormal
Open or short
(2)-(6)
Yellow-Blown
(3)-(5)
Orange-Red
(4)-(6)
Blue-Brown
1
1
2
2
3
3
Red
White
Black
Relay connector
Protector
1
2
3
4
5
6
LEV
White
Yellow
Orange
Blue
Red
Brown
CN60
1
2
Gray
Gray
1
2
3
Parts name
Check points
(Refer to the next
page for a detail.)
OC253---1.qxp 2/14/01 10:27 AM Page 12
