Mitsubishi PLH-P1.6KAH - 10. TROUBLESHOOTING; Component Testing and Thermistor Characteristics

39
HOW TO CHECK THE PARTS
PLH-P1.6KAH.UK, PLH-P2KAH.UK, PLH-P2.5KAH.UK
PLH-P1.6KAH1.UK, PLH-P2KAH1.UK, PLH-P2.5KAH1.UK
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 temperature 20:)
Measure the resistance between the terminals using a tester.
(Surrounding 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 (TH2)
Condenser/Evaporator
temperature thermistor
(TH5)
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"
Normal Abnormal
15k" Open or short
Normal Abnormal
290" Open or short
Measure the resistance between the terminals using a tester.
(Surrounding temperature 20:)
Fan motor
1
1
2
2
3
3
Red
White
Black
Relay connector
Protector
OFF:130i 5:
ON :80i 20:
Abnormal
Open or short
Red-Black
White-Black
Motor terminal
or
Relay connector
Normal
87.2"
104.1"
TROUBLESHOOTING10
OC235B---2.qxp 04.9.29 3:23 PM Page 39