Samsung R1031GWS YLR Service Manual page 21

8-2-6. Confirm The Driving Part Of Motor
Motor Is Not Spinning
Motor Is Not Turnning
Right And Left
Check The Tacho Part
CM2
R11
NO
NO
BD1
COIL1
RELAY3
YES
YES
12V
CM11
R5
TRIAC1
D12
20
Check BD1, TRIAC1
Check RELAY3
IC 65003
R45
1W 300
MICOM
5
3