Mitsubishi PLH-4AAK - How to Check the Parts

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8-6. HOW TO CHECK THE PARTS
PLH-3AAK PLH-4AAK PLH-5AAK PLH-6AAK
PLH-3AAKH PLH-4AAKH PLH-5AAKH PLH-6AAKH
Parts name Check points
Disconnect the connector then measure the resistance using a tester.
(Surrounding temperature 10:~30:)
Measure the resistance between the terminals using a tester.
(Surrounding temperature20:)
Measure the resistance between the terminals using a tester.
(Winding temperature 20:)
Measure the resistance between the terminals using a tester.
Measure the resistance after 3 minutes have passed since the power supply was intercepted.
(Surrounding temperature 0:~60:)
Vane motor
Drain pump
Drain sensor
(Refer to the thermistor)
(Refer to the thermistor)
Room temperature
thermistor (TH1)
Pipe temperature
thermistor/liquid(TH2)
1
3
YLW
YLW
1
2
3
Normal
4.3k"~9.6k"
Abnormal
Open or short
Abnormal
Open or short
Normal
0.6k"~6.0k"
Normal Abnormal
15k" Open or short
Normal Abnormal
290" Open or short
Measure the resistance between the terminals using a tester.
(Winding temperature 20:)
Fan motor
1
1
2
2
3
3
Red
White
Black
Relay connector
Protector
OFF:130:
ON :80i20:
Abnormal
Open or short
Red-Black
White-Black
Motor terminal
or
Relay connector
Normal
87.2"
104.1"
PLH-3AAK(H) PLH-4,5,6AAK(H)
28.7"
41.6"
OC360--2.qxp 06.2.24 1:55 PM Page 44