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9-6. HOW TO CHECK THE PARTS
PLA-ZRP100BA
Parts name
Room temperature
Disconnect the connector then measure the resistance with a tester.
thermistor
(TH1)
(At the ambient temperature of 10 to 30:)
Pipe temperature
thermistor/liquid(TH2)
Condenser/Evaporator
temperature thermistor
(TH5)
Vane motor (MV)
Measure the resistance between the terminals with a tester.
(At the ambient temperature of 20 to 30:)
White
MV
Orange
Red
Yellow
Blue
Drain pump (DP)
Measure the resistance between the terminals with a tester.
(Winding temperature 20:)
YLW
1
3
YLW
Drain float switch (FS)
Measure the resistance between the terminals with a tester.
Moving part
State of moving part
1
2
3
4
i-see sensor
Turn on the indoor unit with the black plastic tape on the outside of
(Option)
i-see sensor controller board.
With electricity being turned on, measure the power voltage between connectors with tester.
i-see sensor rotates and pull out the connector of motor for i-see sensor.
4 3 2 1
4 3
2
1
Blue Black Pink Brown
Measure the resistance between the terminals with a tester.
Vane motor for
(At the ambient temperature of 20 to 30:)
i-see sensor (Option)
White
MV
Orange
Red
Yellow
Blue
OCH529A
PLA-ZRP100BAR1
Normal
Abnormal
4.3 to 9.6k"
Open or short
Connector
Red - Yellow
(5-3, 0-8, 5-3, )-8)
Red - Blue
(5-1, 0-6, 5-1, )-6)
Red - Orange (5-4, 0-9, 5-4, )-9)
Red - White
(5-2, 0-7, 5-2, )-7)
Normal
Abnormal
290 "
Open or short
Normal
UP
Short
DOWN
Open
Black plastic tape
i-see sensor (At the ambient temperature of 10 to 40:)
i-see sensor connector
2(–)—4(+)
1(+)—2(–)
NOTE : Be careful not to discharge static electricity into electronics.
Connector
Normal
Red - Yellow
Red - Blue
Red - Orange
Red - White
PLA-ZRP100BAR1-ER
Check points
Refer to "9-6-1. Thermistor".
Abnormal
Other than short
Other than open
Normal
1.857 to 3.132 V DC
0.939 to 1.506 V DC
Abnormal
Open or short
250 "
28
Normal
Abnormal
300"
Open or short
Switch
Magnet
Moving part
Do not disassemble corner panel
with i-see sensor.
Abnormal
Other than the normal
Other than the normal
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