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v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See the parts listing in the Problem Determination and Service Guide to determine which components are
customer replaceable units (CRU) and which components are field replaceable units (FRU).
v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a
trained service technician.
Lit light path
diagnostics LED with
the system-error LED
also lit
Description
OVERSPEC
There is insufficient power to power
the system. The NON RED and
LOG LEDs might also be lit.
PS
A power supply or power supply
filler has failed or has been
removed.
Note: In a redundant power
configuration, the dc power LED on
one power supply might be off.
LINK
Reserved for future use
54
IBM xSeries 260 Type 8865: Installation Guide
Action
1. Check that ac power is available to all power
supplies.
2. Replace any failed power supply.
3. Reseat the following components:
a. Power supply
b. Microprocessor tray
4. Remove optional devices.
5. Replace the following components one at a time,
in the order shown, restarting the server each time:
a. Power supply
b. (Trained service technician only)
Microprocessor tray
1. Reinstall the removed power supply or power
supply filler.
2. Check the individual power-supply LEDs to find the
failing power supply or power supply filler.
3. Reseat the following components:
a. Failing power supply or power supply filler
b. Microprocessor tray
4. Replace the following components one at a time,
in the order shown, restarting the server each time:
a. Failing power supply or power supply filler
b. (Trained service technician only)
Microprocessor tray
5. If a 12 V fault has occurred, remove ac power
before restoring dc power.
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