Installation Guide (J8732A) 2005-09

ProCurve Switch fl Redundant Power Supply

Troubleshooting

After you install a power supply, check the power LEDs on the front panel to

verify normal operation (as described in

“Verifying a Power Supply

Installation” on page 6).

If the LEDs do not indicate normal operation, follow the steps in this section

to diagnose the problem.

Problem Solution

Power supply is not connected

to an active AC power source.

• Verify the power cord for each installed power supply

is plugged into an active power source and to a power

supply.

• Make sure that each connection is snugly plugged

in—unplug and re-plug the power cord back into each

power supply.

• Verify the AC power source by plugging another

device into the outlet.

• Plug the power supply cord into a different outlet.

• Replace the power cord.

Power supply is not properly Remove and reinstall the power supply.

installed.

Power supply failure. Examine the LEDs on each installed power supply and, if

necessary, replace any failed units.

ProCurve Networking Customer Support Services

If you are still have a problem with your power supply or switch, ProCurve

Networking offers support 24 hours a day, seven days a week through the use

of a number of automated electronic services. See the Customer Support/

Warranty booklet that came with your switch for information on how to use

these services to get technical support. The ProCurve Networking Web site,

http://www.procurve.com also provides up-to-date support information.

Additionally, your HP-authorized network reseller can provide you with

assistance, both with services that they offer and with services offered by HP.