HP 3000 Series Handbook page 110

For HP Internal Use Only
Table 5-3. Power System Troubleshooting Procedure (continued)
CAUSE/SYl\fPTOlV[ ACTION
4. Yellow Power Supply Shutdown Remove the system front bezel to view the yellow SPCM LED.
LED on the System Power Control The LED is located at the far right side of the chassis, about six
Module (SPCM) board lit? inches above the bottom, and is about six inches inside the
chassis.
5-6 Troubleshooting
Perform the following steps rmtil the SPCM LED remains out,
the front panel LEDs come on, and the system initializes.
la. Back out all I/0 cards and the Multifunction I/0 card from
the backplane.
lb. If the SPCM LED goes out and the front panel LEDs come
on, insert the I/0 cards, one at a time, until the faulty card is
found.
2a. Replace the system processor board.
3a. Unplug all of the power plugs of the internal peripherals.
3b. If the SPCM LED goes out and the front panel LEDs come
on, connect the internal peripheral power plugs, one at a time,
until the faulty device is found.
4a. Replace the power supply.
5a.
Replace the backplane.
6a.
Contact the Hewlett-Packard Response Center for further
assistance. Refer to the "Calling the Response Center" section for
more information.