Mitsubishi Electric Mr.SLIM PCFY Series Service Manual page 31

10-6. HOW TO CHECK THE PARTS
PLA-RP35BA
PLA-RP100BA
PLA-RP35BA
1
PLA-RP35BAR1
Parts name
Room temperature Disconnect the connector then measure the resistance with a tester.
thermistor (TH1) (At ambient temperatures of 10 ~30 )
Pipe temperature
thermistor/liquid(TH2)
Condenser/Evaporator
temperature thermistor
(TH5)
Vane motor (MV) Measure the resistance between the terminals with a tester.
(At ambient temperatures of 20 ~30 )
White
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.
State of moving part
Moving part
1
2
3
4
i-see sensor
Turn on the indoor unit with black plastic tape on the outside of the i-see sensor controller board.
(Option)
With electricity being turned on, measure the power voltage between connectors with a tester.
The 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.
i-see sensor motor
(At ambient temperatures of 20 ~30 )
(MT)(Option)
White
Orange
Red
Yellow
Blue
OCH416D
PLA-RP50BA
PLA-RP125BA
PLA-RP50BA
1
PLA-RP50BAR1
Normal Abnormal
4.3k ~9.6k Open or short
Connector
Red - Yellow ( - , - ,
Red - Blue ( - , - ,
Red - Orange ( - , - ,
Red - White ( - , - ,
Normal Abnormal
290 Open or short
Normal
UP Short
DOWN Open
Black plastic tape
i-see sensor (At ambient temperatures of 10 ~40 )
i-see sensor connector
(–)— (+)
(+)— (–)
NOTE : Be careful of handing such a static electricity.
Connector Normal
Red - Yellow
Red - Blue
Red - Orange
Red - White
PLA-RP60BA
PLA-RP140BA
PLA-RP60BA
1
PLA-RP60BAR1
Check points
(Refer to the Thermistor Characteristic graph.)
- , - )
- , - )
- , - )
- , - )
Abnormal
Other than short
Other than open
Normal
DC 1.857V~ 3.132V
DC 0.939V~ 1.506V
Abnormal
250 Open or short
31
PLA-RP71BA
PLA-RP71BA
1
PLA-RP71BAR1
Abnormal
Normal
Open or short
300
Switch
Magnet
Moving part
Do not disassemble corner panel
with i-see sensor.
Abnormal
Other than the normal
Other than the normal