Samsung HLR4677WX/XAA Service Manual page 39

3-5 Blinking Lamp and Temp LEDs
Is lamp cover installed?
Make sure lamp cover
switch is activating
Yes
Short CN107
on Actuator Board
Replace the Actuator Driver Board
Replace the Digital Board
Samsung Electronics
Yes
No
Check boss
on Lamp Cover
No
No
No
Install lamp cover
CN107
Troubleshooting
3-5