HP StoreEver MSL2024 User And Service Manual page 160

Table 31 Main error codes (continued)
Error code
B9
BA
BB
BC
BD
BE
160 Troubleshooting
Description
Communication error on the I²C bus between
the master library and the Extender.
Communication error on the serial connection
between the master and lower libraries.
Stack link not established due to communication
issues between the master and lower libraries.
Power of lower library not detected in time.
Library Extender has reported an error condition.
Extender or library stack incompatibility.
Details and solution
See "Sub-codes for error B9" (page 170)
details.
If this is a new installation, verify that the
Extender is installed properly and that both
libraries are powered on.
Update the firmware to the latest version.
Power cycle both libraries.
The master library cannot communicate with the
lower library.
If this is a new installation, verify that the
Extender is installed properly and that both
libraries are powered on.
Update the firmware to the latest version.
Power cycle both libraries.
The master library has some communication
with the lower library, but not enough to function.
If this is a new installation, verify that the
Extender is installed properly and that both
libraries are powered on.
Update the firmware to the latest version.
Power cycle both libraries.
The lower library did not respond to the master
library within the specified time.
Verify that the lower library is powered on.
Verify that extended mode is enabled in the
lower library.
Power cycle both libraries.
If the lower library is an MSL4048, verify that
its power supply status is Good
Verify that the master and lower libraries have
the most recent firmware versions.
See "Sub-codes for error BD" (page
Power cycle both libraries.
Run the Library Extender cycle test.
Retry the operation.
The Extender is incompatible with the libraries,
or the firmware versions on the libraries and
Extender are incompatible with each other. See
"Sub-codes for error BE" (page
Download the current library extender
firmware bundle to update the libraries to
compatible firmware versions.
Retry the operation.
for
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