How to judge the fault of power supply

Publication Date:  2012-11-30 Views:  113 Downloads:  0
Issue Description
A site has several new sets of USG5300, which are all configured duplicate power supply. After power on normally found one of usg5300’s pow2 indicator doesn’t brighten. 
Alarm Information
None.
Handling Process
1, check the power supply indicator of the equipment, found it doesn’t brighten.
2, power on the fault power supply solely to check whether it can startup normally. Then found it can’t startup, so we can determine that the power supply has fault.
Root Cause
May be one of the power supply is damaged.
Suggestions
Besides to check the pwr indicator and power supply indicator, we also can try to power on the fault power supply to view whether it can startup normally.

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