Mitsubishi Electric Mr.SLIM PC-2GAKD Technical & Service Manual page 35

7-6. HOW TO CHECK THE PARTS
PC-2GAKD PC-2.5GAKD PC-3GAKD PC-4GAKD PC-5GAKD PC-6GAKD
Parts name
Room temperature Disconnect the connector then measure the resistance with a tester.
thermistor (TH1)
(At the ambient temperature 10:~30:)
Pipe temperature
thermistor (TH2)
Fan motor (MF) Measure the resistance between the terminals with a tester.
Relay connector
(Winding temperature 20:)
1
Red
1
White
2
2
3
Black
3
Protector
OFF : 130i 5:
ON : 80i 20:
Vane motor (MV)
4
Orange
5 M
Red
2
Pink
Yellow Brown Blue
3 6 1
4 Pink
M
2
Orange
5 Red
Yellow Blue
3 1
Drain-up (DP)
Measure the resistance between the terminals with a tester.
mechanism (Option) (Winding temperature 20:)
Gray
1
3
Gray
Normal
4.3k"~9.6k" Open or short
Motor terminal
or
2
Relay connector
Red–Black 70.6"
White–Black
69.6"
Connector
Brown–Yellow
Brown–Blue
186~214"
Red–Orange
Red–Pink
Normal
Connector
4, 5, 6
Brown–Yellow
Brown–Blue
140~160"
Red–Orange
Red–Pink
Normal
195" Open or short
Check points
Abnormal
(Refer to the next page for a detail.)
Normal
2.5, 3
45.0"
44.8"
Normal
2 2.5, 3
140~160"
Abnormal
Open or short
Abnormal
35
4 5,6
43.7" 20.4"
55.3" 20.7"
Abnormal
Open or short
Abnormal
Open or short