HP ProLiant ML310e HP ProLiant Gen8 Troubleshooting Guide Volume I: Troublesho - Page 39

Power supply problems, UPS problems

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Power supply problems Action: 1. Be sure no loose connections exist ("Loose connections" on page 16). 2. If the power supplies have LEDs, be sure they indicate that each power supply is working properly. If the LEDs indicate a problem with a power supply (red, amber, or off), then check the power source. If the power source is working properly, then replace the power supply. If the power supply LED is off, it could mean any of the following: o AC power unavailable o Power supply failed o Power supply in standby mode o Power supply exceeded current limit For more information, see the server documentation on the HP website (http://www.hp.com/go/hpsc) and see the Power-on problems flowchart (on page 29). 3. Be sure the system has enough power, particularly if you recently added hardware, such as hard drives. Remove the newly added component and if the problem is no longer present, then additional power supplies are required. Check the system information from the IML. For product-specific information, see the server documentation on the HP website (http://www.hp.com/go/hpsc). For more information, see the HP Power Advisor on the HP website (http://www.hp.com/go/hppoweradvisor). 4. If running a redundant configuration, be sure that all of the power supplies in the system have the same spare part number and are supported by the server. For a list of supported power supplies, see the server documentation on the HP website (http://www.hp.com/go/hpsc). Power supply power LED is green but the server will not power on Action: Verify that the power supplies installed in the server are of the same output and efficiency rating. Mixing of power supplies in the same server is not supported. If non-matching power supplies are installed in the server, remove all power supplies and install only power supplies with the same spare part number. UPS problems UPS is not working properly Action: 1. Be sure the UPS batteries are charged to the proper level for operation. See the UPS documentation for details. 2. Be sure the UPS power switch is in the On position. See the UPS documentation for the location of the switch. 3. Be sure the UPS software is updated to the latest version. Use the Power Management software located on the Power Management CD. 4. Be sure the power cord is the correct type for the UPS and the country in which the server is located. See the UPS reference guide for specifications. Hardware problems 39

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Hardware problems 39
Power supply problems
Action
:
1.
Be sure no loose connections exist ("
Loose connections
" on page
16
).
2.
If the power supplies have LEDs, be sure they indicate that each power supply is working properly. If the
LEDs indicate a problem with a power supply (red, amber, or off), then check the power source. If the
power source is working properly, then replace the power supply. If the power supply LED is off, it could
mean any of the following:
o
AC power unavailable
o
Power supply failed
o
Power supply in standby mode
o
Power supply exceeded current limit
For more information, see the server documentation on the HP website (
)
and see the Power-on problems flowchart (on page
29
).
3.
Be sure the system has enough power, particularly if you recently added hardware, such as hard drives.
Remove the newly added component and if the problem is no longer present, then additional power
supplies are required. Check the system information from the IML.
For product-specific information, see the server documentation on the HP website
(
).
For more information, see the HP Power Advisor on the HP website
(
).
4.
If running a redundant configuration, be sure that all of the power supplies in the system have the same
spare part number and are supported by the server. For a list of supported power supplies, see the
server documentation on the HP website (
).
Power supply power LED is green but the server will not power on
Action:
Verify that the power supplies installed in the server are of the same output and efficiency rating. Mixing of
power supplies in the same server is not supported. If non-matching power supplies are installed in the server,
remove all power supplies and install only power supplies with the same spare part number.
UPS problems
UPS is not working properly
Action
:
1.
Be sure the UPS batteries are charged to the proper level for operation. See the UPS documentation for
details.
2.
Be sure the UPS power switch is in the On position. See the UPS documentation for the location of the
switch.
3.
Be sure the UPS software is updated to the latest version. Use the Power Management software located
on the Power Management CD.
4.
Be sure the power cord is the correct type for the UPS and the country in which the server is located. See
the UPS reference guide for specifications.