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SiUS341802E
3.13 Electronic Expansion Valve Coil Check
Measure the connector pin-to-pin resistance and make sure that the resistance value is within the
CHECK 18
range listed in the table below.
Determine the type according to the connector wire color and measure the resistance.
Outdoor unit (Y1E, Y3E, Y4E)
Outdoor unit (Y6E, Y7E)
Outdoor unit (Y2E, Y5E)
FXFQ-T, FXFQ-P, FXZQ-TA, FXUQ-P, FXEQ-P, FXSQ-TA
Service Diagnosis
White 1
Yellow 2
Orange 3
Blue 4
— 5
Red 6
White 1
Yellow 2
Orange 3
Blue 4
Red 5
Orange 1
Red 2
Yellow 3
Black 4
— 5
Gray 6
Judgement criteria
Measuring points
Y1E, Y3E
1 - 6
2 - 6
120-180 Ω
3 - 6
4 - 6
Measuring points
Judgement criteria
1 - 5
2 - 5
3 - 5
4 - 5
Measuring points
Judgement criteria
1 - 6
2 - 6
3 - 6
4 - 6
Check
Y4E
35-55 Ω
120-180 Ω
35-55 Ω
300
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