Electronic Expansion Valve Coil Check - Daikin RXYQ-TA Series Service Manual

Check

4.13 Electronic Expansion Valve Coil Check

CHECK 18
Remove the connector for electronic expansion valve (X7A) from PCB. Measure the resistance
value between pins and check the continuity to judge the condition.
305
White (1)
Red (5)
Orange (3)
The normal products will show the following conditions:
1. No continuity between (1) and (2)
2. Resistance value between (1) and (3) is approx. 300 Ω
3. Resistance value between (1) and (5) is approx. 150 Ω
4. Resistance value between (2) and (4) is approx. 300 Ω
5. Resistance value between (2) and (6) is approx. 150 Ω
1) White
2) Yellow
φ1
M
φ3
3) Orange
4) Blue
φ2 φ4
5) Red
Brown Blue
Yellow
(6) (4)
(2)
6) Brown
SiUS341615E
Service Diagnosis