Check
SiME332106E
288
Part 6 Service Diagnosis
6.13 Electronic Expansion Valve Coil Check
CHECK 18
Remove the connector for electronic expansion valve from PCB. Measure the resistance value
between pins and check the continuity to judge the condition.
The normal products will show the following conditions.
Outdoor unit
*1. For RXYMQ4AVMK
*2. For RXYMQ4-6AYFK
Indoor unit
FXFSQ-AR, FXMQ-PB
Measuring points
1-6
2-6
3-6
4-6
Judgment criteria
(White) 1
(Yellow) 2
(Orange) 3
(Blue) 4
— 5
(Red) 6
X22A (Y2E) *1
35-55
(Orange) 1
(Red) 2
(Yellow) 3
(Black) 4
— 5
COM+ (Gray) 6
X21A (Y1E)
X22A (Y2E) *2
X23A (Y3E)
X25A (Y4E)
Measuring points
1-2
1-3
1-6
2-4
2-6
Judgment criteria
No continuity
92
46
92
46
(1) Orange
(2) Red
(3) Yellow
(4) Black
(6) Gray
(5) —
Orange (1)
Gray (6)
Yellow (3)
1
3
Red
(2)
Black
(4)
2
4
M
