Troubleshooting
Samsung Electronics
24
6-3-5 When louvers(bottom, left, and right) don't operate
1. Inspection Items
1) Power Voltage (AC198V ~ AC242V)
2) Louver Motor Connector(CN61, CN62, CN65)
2. Inspection Procedure
Check if louvers have mechanical problem.
Turn off the power and on 5 seconds later.
Does the standard lamp twinkle 3 minutes before it goes out?
Are all the louvers open during operation?
(bottom, left, and right)
Does the GND voltage of connector 2, 3, 4, and 5 range from
DC 6V to 8V? (when louvers are operating)
Does the GND voltage of connector 2, 3, 4, and 5 range from
DC 12V? (when louvers are operating)
Not a breakdown(normal)
PCB Replace
Checking motor connection, Poor motor
Checking connection and apparatus assembly condition.
It happens when th power
doesn't come in
No
Yes
Yes
No
No
No
Yes
Yes
DB98-17813(1)_1 04/2/23 10:31 AM Page 24
