Fujitsu ASY50-KM Service Manual

5-2. Inverter compressor
¢ Models: AOYG18KBTA3 and AOYG24KBTA3
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: 1.299 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 - (03-90) - 5. Service parts information
TROUBLESHOOTING TROUBLESHOOTING

Fujitsu ASY50-KM Specifications

General

Brand	Fujitsu
Model	ASY50-KM
Category	Air Conditioner
Language	English