21
9
TROUBLE SHOOTING
9-1. HOW TO CHECK THE PARTS
Parts name
Check points
Disconnect the connector then measure the resistance using a tester.
(Surrounding temperature 50
_
F~86
_
F)
Disconnect the connector then measure the resistance valve using a tester.
Measure the resistance between the terminals using a tester.
(Surrounding temperature 68
_
F~86
_
F)
Measure the resistance between the terminals using a tester.
(Surrounding temperature 68
_
F~86
_
F)
Measure the resistance after 3 minutes have passed since the power supply was intercepted.
(Surrounding temperature 50
_
F~140
_
F)
Vane motor (MV)
Linear expansion
valve (LEV)
Drain pump (DP)
Drain sensor (DS)
(Refer to the next page for a detail.)
(Refer to the next page for a detail.)
Room temperature
thermistor (TH21)
Liquid pipe thermistor
(TH22)
Gas pipe thermistor
(TH23)
1
2
Red
Red
1
2
3
Normal
4.3k
"
~9.6k
"
Abnormal
Open or short
Abnormal
Open or short
Normal
0.6k
"
~6.0k
"
Abnormal
Open or short
Normal
150
"
i
10%
White-Red
Yellow-Brown Orange-Red
Blue-Brown
Normal
Connector
Abnormal
300
"
Open or short
Normal
Abnormal
319
"
Open or short
Orange
Red
White
Blue
Brown
Yellow
M
Orange
Red
White
Red — Yellow
Red — Blue
Red — Orange
Red — White
Blue
Yellow
Measure the resistance between the terminals using a tester.
Fan motor (MF)
1
1
2
2
3
3
Red
White
Black
Relay connector
Protector
12/ 15/ 18/ 24
87.2
"
104.1
"
Abnormal
Open or short
30/ 36
32.6
"
40.7
"
Red-Black
White-Black
Motor terminal
or
Relay connector
Normal
PLFY-P•NAMU-E
M
(Refer to the next
page for a detail.)
OPEN : 266
I
9
°
F
CLOSE : 176
I
36
°
F
OC340A--1.qxp 06.7.25 0:39 PM Page 21
