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Solving Problems
LED Error Codes
Table 16 LED Error Codes
LED Value
RS-232 Chassis
Code Range
Description
N/A Reserved
7500 No memory found FAULT
Likely cause: SIMMs or processor
board
N/A Reserved
FLT 7000-7FFF Memory Error Fault
Likely Cause: Memory SIMMs
System console will indicate which
SIMM pair fault occurred on
FLT 1020-4099 Processor board FAULT (includes
PDH which could be on I/O board.)
FLT 5000 - 500F
FLT 8000 - 8FFF
FLT CD00 - CDff*
I/O System FAULT
*Except backplane faults listed below
FLT 8500, 8501
FLT 8C00-8CFF
Backplane FAULT
PCI FAULT
Any INIT/TEST
code
INITIALIZATION and TESTING
Note: These two LED codes will alter-
nate to indicate forward progress:
0111, 1000, 0111...
Any fault not in
this table including
FLT 1000-101C
Unknown FAULT
FLT CBF0 - CBFF HPMC FAULT