Electronic Expansion Valve Coil Check - Daikin REYQ-XA Service Manual

Check

4.13 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
Orange (3)
Y7E
Orange (3)
Y2E, Y5E
Orange (1)
393
White (1)
Yellow (2)
Blue (4)
— (5)
Red (6)
White (1)
Yellow (2)
Blue (4)
Red (5)
Red (2)
Yellow (3)
Black (4)
— (5)
Gray (6)
Judgment criteria
Measuring points
Y1E, Y3E
1 - 6
2 - 6
120-180 Ω
3 - 6
4 - 6
Measuring points Judgment criteria
1 - 5
2 - 5
120-180 Ω
3 - 5
4 - 5
Measuring points Judgment criteria
1 - 6
2 - 6
35-55 Ω
3 - 6
4 - 6
SiUS371901E
Y4E
35-55 Ω
Service Diagnosis