5-2. Inverter compressor
¢ Models: AOYG07KMCC, AOYG09KMCC, and AOYG12KMCC
Check point 1. Check connection
• Check terminal connection of compressor (loose or incorrect wiring)
U(R)
(RED)
V(S)
(WHITE)
W(C)
(BLACK)
Main PCB
• Check terminal connection of main PCB (loose or incorrect wiring)
Main PCB
W402(W)
Compressor
BLACK
WHITE
RED
W400(U)
W401(V)
↓
Check point 2. Check winding resistance
Check winding resistance of each terminal.
Resistance value: 2.180 ±7% Ω at 20°C
U(R)
W(C)
V(S)
RED
WHITE
BLACK
→ If the resistance value is 0 Ω or infinite, replace compressor.
↓
5-2. Inverter compressor - (03-65) - 5. Service parts information
TROUBLESHOOTING
TROUBLESHOOTING
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