HP x4000 Getting Started Manual page 36

Troubleshooting
Understanding the Diag LEDs
Table 2-1 Diag LED Patterns (R = Red, Y = Yellow, G = Green, l = Off)
Pattern
RRYY Fatal internal processor error (#IERR).
RYYl No memory detected.
RYYY Corrupted memory.
YRll BIOS is in crisis recovery mode.
YYRl 3.3v circuitry error.
GRll BIOS recovery complete.
GYRl 1.8V power circuitry error.
GGRY Battery voltage error. Battery may be at
the end of its life.
lYRY 12V power circuitry error.
lYRG 2.5 RDRAM power circuitry error.
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Error Suggested Solutions
Restart. If it's a random event and not due
to hardware, it should not recur.
Insert or reseat the RIMMs.
Reseat the memory expander card.
Reseat the memory expander card.
Reseat the RIMMs.
Wait until the BIOS recovery operation is
complete (indicated by LED pattern GRll).
Follow the solution steps for the GRll
pattern.
Reseat I/O cards.
If you have set system switch 2 on the
system board to On, turn it Off and reboot
the system.
Reseat the memory expander card.
Reseat the battery.
Replace the battery.
Reseat the I/O cards.
Reseat the memory expander card.
If the memory expander card has a
separate voltage regulator module, reseat
the module.
Chapter 2