The device is repeatedly powered on and off (auto-Restart)

Problem Description

Phenomenon: The device shuts down immediately after being powered on, and is repeatedly powered on and off. The power indicator and logo indicator light up and then off and then back on repeatedly.

solution

Step One: Unplug the power cord and wait min 5 minutes to etc., if System Connected Power On into the system normally. If not, proceed to step Tue.
Step Two: Change the power cord and see if System can Connected. If not, proceed to step Wed.
**Step Three: **Change the environment and power on to see if System Connected. If it still does not work, return the whole machine for repair.

Original Link

https://support.sangfor.com.cn/cases/list?product_id=156&type=1&category_id=27356&isOpen=true