Inverter Compressor - Fujitsu GENERAL ASHG18KMTE Service Manual

4-2. Inverter compressor

Check point 1. Check the terminal connection.
• Check the following terminal connections of the compressor. (Loosening or incorrect wiring.)
– R (U): Red
– S (V): →hite
– C (W): Black
• Check the following terminal connections of the Main PCB. (Loosening or incorrect wiring.)
– W400 (U): Red
– W401 (V): →hite
– W402 (W): Black
Check point 2. Check the winding resistance.
Check the winding resistance of each terminal.
Resistance value:
• 18 model: 1.910 Ω at 20 °C
• 24 model: 1.916 Ω ±8 % at 20 °C
C(W)
If the resistance value is 0 Ω or infinite, replace the compressor.
4-2. Inverter compressor
S (V)
Main PCB
R (U)
Main PCB
(U) (V)
Red
Compressor
RED
R(U)
WHITE
S(V)
BLACK
- (03-49) -
C (W)
(W)
Black
White
4. Service parts information