1. Remove the front panel. (Remove 2 screws.)
2. Remove the cover of the fan motor lead wires.
3.
Check AC voltage with CN10 connector while the fan motor is rotating.
NOTE :
• Using a tester, measure the resistance value of each winding coil.
• Use a thin test rod.
1
3
5
1
2
3
2
1
3
2
1
3
CN10
CN11
P.C. board
WHI
BLK
RED
BRW
GRY
YEL
(For AC fan motor) (For B05, 07, 10, 13, 16K)
<Inspection procedure>
• Do not disconnect the connector while the fan motor is rotating.
• For P.C. board side, proceed to the item "Only indoor fan does not operate"
of "Judgment of Trouble by Every Symptom".
SJM-240-25 (RAS-B05, 07, 10, 13)
SJM-240-35 (RAS-B16)
Resistance value (RAS-B05, 07, 10, 13)
Position (P.C. board)
Between 3 (Black) - 1 (Red)
Between 3 (Black) - 5 (White)
Between 1 (Red) - 5 (White)
120.6
±
8.4
Ω
244.2
±
17
Ω
364.8
±
25.5
Ω
Resistance value (RAS-B16)
115.6
±
8.
Ω
146.2
±
1
0.2
Ω
261.8
±
18.3
Ω
1
3
5
1
3
5