According To The Phenomenon Processing Fault; Power Supply Problem - Inspur NF8480M5 Operation And Maintenance Manual

4.4
Equipment status terms are described as follows:
Power on: the equipment is powered on, and the indicator of the power button is on.
Standby: the equipment is powered on, and the power button indicator is yellow and
always on.
Power on: the equipment is powered on, and the power button indicator is always green.
POST: power-on self-test.
Please diagnose according to the following fault phenomena.
Table 4-4 Troubleshooting of Power Supply Problems
Failure phenomenon
Single power
module failure
(no output,
health status
indicator red
blinking)
The rack
equipment is not
powered on
(All indicators are off)
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According to the phenomenon processing fault

Processing steps
1. Check the LED status of the power module and record BMC
alarm information. Please refer to the indicator lamp for the
specific status of the indicator lamp.
Check if there is an AC loss alarm.
2.
Yes, check whether the power cord is plugged in
firmly and whether the PDU has power.
No, execute no.3.
3. Replace the power supply of spare parts to see if the
problem is solved.
Yes, processed.
No, execute no.4.
4. Replace the power backplane. For products without
power supply backplane, please replace the motherboard
to see if the problem is solved.
Yes, that's it.
No, please contact Inspur Technical Engineer
1. Check whether the external power supply is normal
Yes, execute 2
No, solve the problem of external power supply
2. Cross-verify the power module, i.e. replace the normal
power module to see if the fault has been resolved.
Yes, processed.
No, execute 3.
3. Replace the motherboard and power backplane to see if the
problem has been resolved.
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NF8480M5
Operation and
Maintenance Guide

4.4.1 Power supply problem

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