58
10
TROUBLESHOOTING
HOW TO CHECK THE PARTS
PLA-P3AA.UK, PLA-P4AA.UK, PLA-P5AA.UK, PLA-P6AA.UK
PLA-P3AA
1
.UK, PLA-P4AA
1
.UK, PLA-P5AA
1
.UK, PLA-P6AA
1
.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:130
:
ON :80
i
20
:
Abnormal
Open or short
Red-Black
White-Black
Motor terminal
or
Relay connector
Normal
87.2
"
104.1
"
PLA-P3AA.UK
PLA-P3AA
1
.UK
PLA-P4/5/6AA.UK
PLA-P4/5/6AA
1
.UK
28.7
"
41.6
"
OC241-B-2.qxp 04.9.29 5:17 PM Page 58