Fujitsu General AOHG07KMCC, Service Manual

Page: 86 / 155

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Model: AOHG14KMCC
Check point 1. Check the terminal connection.
• Check the following terminal connections of the compressor. (Loosening or incorrect wiring.)
– R (U): Red
– S (V): White
– C (W): Black
R (U)
S (V) C (W)
Main PCB
• Check the following terminal connections of the Main PCB. (Loosening or incorrect wiring.)
– W400 (U): Red
– W401 (V): White
– W402 (W): Black
Main PCB
(W)
Compressor
Black
White
Red
(U) (V)
↓
Check point 2. Check the winding resistance.
Check the winding resistance of each terminal.
Resistance value: 1.975 ±7 % Ω at 25 °C
R(U)
C(W)
S(V)
RED
WHITE
BLACK
→ If the resistance value is 0 Ω or infinite, replace the compressor.
↓
4-2. Inverter compressor
- (03-42) -
4. Service parts information
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