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.
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