IBM 86624RY Maintenance Manual - Page 300
Diagnostic Panel LED, VRM LED
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UPC - 087944490654
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Diagnostic Panel LED TEMP LED on VRM LED on (Check the VRM (voltage regulator module) LEDs on the processor board.) FRU/Action 1. Be sure the fans are operating correctly and the air flow is good. 2. Check processor 1 through 4 LEDs. If the CPU LED on the diagnostics panel is also on, one of the microprocessors has caused the error. 3. Be sure the power supply fans are operating correctly and the air flow is good. 4. Processor Board 5. System Board 1. Voltage regulator module indicated by the VRM LED on the processor board that is turned on 2. Processor for the VRM LED that is turned on. See "Microprocessor installation" on page 238. 3. Processor Board 292 Netfinity Server HMM
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Diagnostic Panel LED
FRU/Action
TEMP LED on
1.
Be sure the fans are
operating correctly
and the air flow is
good.
2.
Check processor 1
through 4 LEDs.
If the
CPU LED on the
diagnostics panel is
also on, one of the
microprocessors has
caused the error.
3.
Be sure the power
supply fans are
operating correctly and
the air flow is good.
4.
Processor Board
5.
System Board
VRM LED on
(Check the VRM (voltage
regulator module) LEDs on
the processor board.)
1.
Voltage regulator
module indicated by
the VRM LED on the
processor board that
is turned on
2.
Processor for the VRM
LED that is turned on.
See “Microprocessor
installation” on
page 238.
3.
Processor Board
292
Netfinity Server HMM