The S9 control board top surface only 1 light on.



91060.4USD
82.32USD
2.07USD
0.14USD
3130.97USD
13.5USD
892.67USD
136.69USD
0.13USD
0.05USD
0.13USD



The initial assessment indicates that the control board is burnt.
Connect to the serial port and check for any logs.
If that doesn't work, it is likely that the main control IC is burnt and needs to be replaced.
No. 199, Zhaojuesi South Rd, Chenghua District, Chengdu, Sichuan, China
No.14, Jian'an Rd, Bao An District, ShenZhen, GuangDong, China
+86 15390421113
minerfixesofficial@gmail.com