
Troubleshooting
Understanding the Diag LEDs
Chapter 11 213
Table 11-1 Diag LED Patterns (R = Red, Y = Yellow, G = Green, ● = Off)
Pattern Description
Possible Solutions
a
RRYY Fatal internal processor error. 1. Restart the Workstation. If it's a
random event that is not a
hardware error, it will not recur.
2. Reseat the processor(s).
3. Replace the system board as
described in “System Board” on
page 186.
4. Replace the processor(s) as
described in “Processor” on page
177.
RRY● Processor 0 not detected. 1. Reseat the processor.
2. Replace the processor as described
in “Processor” on page 177.
RYRY The FRU table in SEEPROM is
inaccessible. The system cannot
identifythesystemserial number and
model type.
Replace the system board as described
in “System Board” on page 186.
RYRG The system event log is unavailable. Replace the system board as described
in “System Board” on page 186.
RYR● Thehardwaremanagement controller
firmware is corrupt.
Replace the system board as described
in “System Board” on page 186.
RYYR The external temperature exceeds the
normal limit. This may be due to an
obstruction of airflow in front of or in
back of the workstation.
1. Ensure the workstation has
adequate clearance.
2. Ensure the room temperature is
below 95 degrees Fahrenheit (35
degrees Celsius).
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