Mitsubishi Electric MJ-E14CG-S1-IT, Service Manual

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2) Simple Check Table for Main Parts
Component name Testing procedure
Tube temperature
sensing thermistor
Room
temperature and
humidity sensor
board
Compressor
Blower fan motor
Solenoid valve coil
Detach the connector and measure the resistance using a multimeter
(component temperature: 10
℃
to 30
℃
).
Detach the connector and measure the resistance using a multimeter
(component temperature: 10
℃ to 30 ℃ ).
With the connector detached, measure the resistance across the terminals using a multimeter
(winding temperature: 10
℃
to 30
℃
).
Normal Abnormal
Between P11 pins: 8.0k Ω to 20.8k Ω
Normal: 47 to 51k
Ω
(between P10 pins 3 and 4)
Abnormal: Open or shorted
Open or shorted
Normal Abnormal
Open or shorted
Measure the resistance between terminals using a multimeter
(component temperature: 10
℃ to 30 ℃ ).
Measure the resistance between terminals using a multimeter
(winding temperature: 10
℃ to 30 ℃ ).
2.0k
Ω
~ 2.2k
Ω
Open or shorted
Normal
Abnormal
28 Ω ~ 31 Ω
31 Ω ~ 35 Ω
C-R side
C-S side
Open or shorted
Normal Abnormal
412
Ω
~ 446
Ω
437 Ω ~ 473 Ω
Yellow-Blue
Black-Blue
Stepping motor
Measure the resistance across terminals with a multimeter.
(Part temperature: approx 25
℃
)
Open or shorted
Normal Abnormal
342
Ω
~ 418
Ω
Terminals 1-2
Terminals 1-3
Terminals 1-4
Terminals 1-5
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