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Table 40 Warning event codes (continued)
Event code
DB
DD
DE
DF
E9
EA
EC
ED
EF
F2
FE
180 Troubleshooting
Description
External drive cooling fan failure (fan motion has
stopped). The subcode indicates which drive
sled fan is affected.
Subcode 00: drive sled #1
Subcode 01: drive sled #2
etc.
Power supply cooling fan failure. Power supply
x fan has failed. Redundancy might be at risk.
(MSL8048 and MSL8096 only)
The subcode indicates which power supply fan
is affected.
Subcode 00: lower power supply
Subcode 01: upper power supply
Power supply x has failed. Redundancy is not
available. (MSL8048 and MSL8096 only)
The subcode indicates which power supply fan
is affected.
Subcode 00: lower power supply
Subcode 01: upper power supply
One of the redundant power supplies has failed.
Redundancy is not available. (MSL4048 only)
The subcode indicates which power supply fan
is affected.
Subcode 00: lower power supply
Subcode 01: upper power supply
Power supply redundancy not available in the
master library.
Power supply redundancy not available in the
lower library.
Unable to negotiate for NPIV. Library control
path failover has been disabled.
Common control or data path failover issue.
Failover has been disabled.
A data path failover-related error has occurred.
Drive sled missing.
The master drive was removed without being
powered off. Library path failover cannot be
performed.
Details and Solution
Verify that the fan for the indicated drive sled is
operational and not obstructed.
NOTE:
The fan only operates when cooling is
required.
Verify that the fan for the indicated power
supply is operational and not obstructed.
Upgrade to the latest version of library
firmware.
If the problem continues, replace the power
supply
Verify that the power supply is correctly
inserted and that the thumbscrews are
tightened.
Power cycle the device.
If the problem continues, contact Hewlett
Packard Enterprise customer support.
Verify that the power supplies in the library are
inserted correctly and that the thumbscrews
are adjusted.
Check the AC power cable connections.
NOTE:
The MSL2024 does not have a
redundant power supply option.
The port of the FC switch connected to the library
master drive must be in NPIV mode. Verify the
FC switch configuration.
Power cycle the device and retry the operation.
Re-seat the tape drive to ensure a good
connection to the device.
MSL8048 and MSL8096: Verify that the drive
is installed in one of the four locations that has
a drive connector.
The master drive must be powered off from the
RMI or OCP to activate control path failover.

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