: To stop the mode, press SET/Cancel or the Good Sleep button again until the indicator disappears. Filter Maintenance (Ch Indicator)
For full technical details, you can refer to the official Samsung Manuals & Software page or view instructional documents on Scribd . Samsung AC Bio Sleep Mode Guide | PDF - Scribd Samsung Bio Sleep Plus Split Ac Manual
: Press the Bio Sleep or Good Sleep button on your remote. : To stop the mode, press SET/Cancel or
: The "Ch" indicator appears after approximately 336 hours of fan operation. : To stop the mode