18
9
TROUBLE SHOOTING
9-1. How to check the parts
PLFY-P20VCM-E.TH
PLFY-P25VCM-E.TH
PLFY-P32VCM-E.TH
PLFY-P40VCM-E.TH
Parts name
Check points
Disconnect the connector then measure the resistance using a tester.
(Surrounding temperature 10
:
~30
:
)
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 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
:
)
Vane motor (MV)
Linear expansion
valve (LEV)
Drain pump (DP)
Drain sensor (DS)
Refer to the next page for the details.
Refer to the next page for the details.
Thermistor (TH21)
(Room temperature
detection)
Thermistor (TH22)
(Pipe temperature
detection/ Liqid)
Thermistor (TH23)
(Pipe temperature
detection/ Gas)
1
2
Yellow
Relay
connector
Yellow
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
150k
"
i
10%
White-Red
Yellow-Brown Orange-Red
Blue-Brown
Normal
Connector
Abnormal
300
"
Open or short
Normal
Abnormal
290
"
Open or short
Orange
Red
White
Blue
Brown
Yellow
M
Orange
Red
White
Red — Yellow
Red — Blue
Red — Orange
Red — White
Blue
Yellow
Fan motor (MF)
M
Refer to the next
page for the details.
BLK
RED ORN
YLW
BLU
BRN
WHT
P
Measure the resistance between the terminals with a tester.
(Coil wiring temperature 10
°
C ~ 30
°
C)
PLFY-P25VCM-E
Normal
WHT-BLK
BLK-BLU
BLU-YLW
YLW-RED
RED-BRN
390
"
~423
"
82
"
~90
"
28
"
~32
"
158
"
~172
"
PLFY-P32VCM-E
378
"
~409
"
157
"
~170
"
44
"
~49
"
306
"
~332
"
PLFY-P40VCM-E
312
"
~338
"
137
"
~149
"
44
"
~49
"
296
"
~321
"
PLFY-P20VCM-E
302
"
~327
"
91
"
~100
"
38
"
~42
"
265
"
~288
"
Abnormal
Opened or
short-circuited
P
: Thermal fuse 145˚C
±
2˚C
OC314--1.qxp 04.8.27 11:44 Page 18
