Server Does Not Power On - HP ProLiant ML150 Operation Manual

Server Does Not Power On

Follow these steps if the power/activity light does not light green after you press the power-
on button.
Remove the AC power cord, wait 15 seconds, reconnect the power cord, and try again.
1. Verify all cables and power cords are firmly plugged into the respective receptacles.
2. If the server is plugged into a switched multiple-outlet box, be sure the switch on the
outlet box is turned on.
3. Plug a different electrical device (such as a printer) into the power outlet, and turn on the
device to verify the outlet has power.
4. Verify that the problem is not caused by an internal device connection:
a. Disconnect the power cord.
b. Remove the side panel. Refer to Chapter 2.
c. Verify the power supply is firmly connected to the system board connector.
d. Verify the front panel power switch is connected to the system board.
e. Remove the power connectors from all internal devices except the system board.
f.
g. Verify that the front panel green LED light is on. If it is off, call your HP Customer
h. If the front panel green LED light is on, reconnect the power connectors one by one
Be sure that you remove the power cord before you reconnect each internal device. After
reconnecting the device, turn the power on again. If the green LED is still on, repeat this step
with another device until you find the device that prevents the green LED from turning on.
Call your HP Customer Support provider with this information and for further instructions.
HP ProLiant ML150 Server Operations and Maintenance Guide
HP CONFIDENTIAL Codename: Stone Soup Part Number: 343329-001 Last Saved On: 8/14/03 10:25 AM
Reconnect the power cord.
Support provider.
to the internal devices in order to check which device or connection is defective.
Troubleshooting
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