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

SiUS371614E

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.
Service Diagnosis
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
Yellow Brown Blue
(6) (4)
(2)
6) Brown
Check
288