Status of each System light from when the device is turned on to when the system Power On
Problem Description
Status of indicators from device Power On to System entry
solution
Indicator lights in each Status:
Power light: When Power On, the green light will be on and Shut Down off.
Bypass light: When the rear hardware Bypass switch is turned to the enforce position, the orange light will be on in all Status. The Default auto position: the orange light will be on from booting to entering System, and will go out after entering System. The orange light will be on when the machine is shut down (supports Shut Down Bypass devices).
Status light: System level, it flashes when there is data Read/Write, is always on Error, is shut down, or is off.
Ha light: When the two machines are in dual configuration, it will be on or flashing, shut down, or go out Domain Name.
Alarm light: always on when Power On is turned on, flashes when System is initialized, always on before System, flashes when there is an alarm at the system level, and turns Shut Down is turned off.

Original Link
https://support.sangfor.com.cn/cases/list?product_id=156&type=1&category_id=27441&isOpen=true