Mitsubishi Electric MJ-E14CG-S1-IT Service Manual page 15

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