E2600 Controller-Drive Tray Installation Guide 128
Things to Know – Seven-Segment Display for the Drive Trays
During normal operation, the tray ID display on each ESM displays the drive tray ID. The Diagnostic LED
(lower-digit decimal point) comes on when the display is used for diagnostic codes and goes off when the display is
used to show the tray ID.
NOTE If a power-on or reset occurs, the Diagnostic LED, the Heartbeat LED (upper-digit decimal point), and all
seven segments of both digits come on. The Diagnostic LED remains on until the drive tray ID appears.
Table 44 Supported Diagnostic Codes on the ESM
The memory size changed with dirty data in the flash
drives.
OE+ LC+ dd+ blank-
Use Cases Repeating Sequence
Use Case: The controller has been suspended as a result of
diagnostic errors.
A cache memory diagnostic failure has been detected. dE+ L2+ dash+ CF+ Cx +
blank-
A base controller diagnostic failure has been detected. dE+ L3+ dash+ CF+ b1 +
blank-
A base controller IOC diagnostic failure has been
detected.
dE+ L3+ dash+ CF+ b2 +
blank-
Diagnostic Code Description
– – The firmware is booting.
.8, 8., or 88 This ESM is being held in reset by another ESM.
AA ESM A firmware is in the process of booting (the diagnostic
indicator is not yet set).
bb ESM B firmware is in the process of booting (the diagnostic
indicator is not yet set).
L0 The ESM types are mismatched.
L2 A persistent memory error has occurred.
L3 A persistent hardware error has occurred.
L9 An over-temperature condition has been detected in either
the ESM or the power supply.
LL The midplane SBB VPD EEPROM cannot be accessed.
Ln The ESM canister is not valid for this drive tray.
LP Drive port mapping tables are not found.
H0 An ESM Fibre Channel interface failure has occurred.
Use Cases Repeating Sequence
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