IBM DCS3860, Installation, User'S, And Maintenance Manual

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Table 23. Repeating sequences on the seven-segment display and corresponding
errors (continued)
Repeating Sequence Startup and Operational Error
SE+ dF+ dash+ CF+ dx+ blank-
Failure of a processor DIMM or a cache
memory DIMM is detected
SE+ dF+ dash+ CF+ Hx+ blank Failure of a host interface card is detected
SE+ LC+ dash+ CF+ Fx+ blank- An incorrect number of cache backup
devices are detected
Controller is suspended and no other errors to report:
OE+ Lu+ blank-
All lockdown conditions, where
Lu
is the
lockdown code as shown in the table of
diagnostic codes
Controller is suspended because of component errors:
OE+ L2+ dash+ CF+ CX+ blank-
Persistent processor or cache DIMM ECC
errors are detected
Controller is suspended as a result of persistent cache backup configuration errors:
OE+ LC+ blank-
During cache restore, the write-protect
switch is set
OE+ LC+ dd+ blank- The memory size is changed with invalid
data in the flash drives
Controller is suspended as a result of diagnostic errors:
dE+ L2+ dash+ CF+ Cx + blank-
A cache memory diagnostic failure is
detected
dE+ L3+ dash+ CF+ b1 + blank-
A base controller diagnostic failure is
detected
dE+ L3+ dash+ CF+ b2 + blank- A base controller IOC diagnostic failure is
detected
The following tables list the ESM diagnostic codes.
Table 24. Controller numeric display diagnostic codes .
Value Description
L0 Mismatched controller board ID
L1 Missing interconnect canister
L2 Persistent memory errors
L3 Persistent hardware errors
L4 Persistent data protection errors
L5 ACS failure
L6 Unsupported host card
L7 Submodel identifier not set or mismatched
L8 Memory configuration error
L9 Link speed mismatch
LA Reserved
LB Host card configuration error
LC Persistent cache backup configuration error
LD Mixed cache memory DIMMs
Chapter 6. Hardware maintenance
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