Mitsubishi Electric MJ-E14EG-S1-IT Service Manual page 15

2) Simple Check Table for Main Parts
Part name
Tube temperature
detection thermistor
Room temperature
sensor
Compressor
Blower fan motor
Solenoid valve coil
Stepping motor
Disconnect the connector and measure the resistance values with a tester (Part temperature
10°C to 30°C).
Normal
8.0KΩ to 20.8KΩ
Disconnect the connector and measure the resistance values with a tester (Part temperature
10°C to 30°C).
Normal .............8.0 to 20.8KΩ (between pins 3-4)
Abnormal .........Open or shorted
Disconnect the connector and measure the resistance values across terminals with a tester
(Coil temperature 10°C to 30°C).
C-R side 24Ω to 27Ω
C-S side 40Ω to 45Ω
Measure the resistance values across terminals with a tester (Part temperature: 10°C to
30°C).
Yellow-Blue 217Ω to 236Ω
Black-Blue 219Ω to 237Ω
* Be careful of injury or shock
Measure the resistance values across terminals with a tester (Part temperature: 10°C to
30°C).
Normal
2.0KΩ to 2.2KΩ
Measure the resistance values across terminals with a tester (Part temperature: approx
25°C).
Terminals 1-2
Terminals 1-3
342Ω to 418Ω
Terminals 1-4
Terminals 1-5
Test criteria
Abnormal
Open or shorted
Normal Abnormal
Open or shorted
Normal Abormal
Open or shorted
Abnormal
Open or shorted
Normal Abnormal
Open or shorted
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