Newbie517762 Lv5Posted 07 Nov 2022 17:08
  
HiHi,

If you have a service issue, pls feel free to contact the Sangfor Service:

Technical Service Hotlines/E-mail:
Global : +60 12 711 7511 (7129)

E-mail: Tech.Support@sangfor.com
I have experience that kind of problem. The two power supply must be plugged in to stop the beeping sound. Maybe its normal because it doesn't have any effect on the performance.
Is this answer helpful?
Newbie517762 Lv5Posted 10 Nov 2022 09:55
  
HiHi,

Have your device with 2 power cord connecter ?
If yes, then it is normal when you only plug into one power cord,
Please try plugging in both power cords before starting the machine again.

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