Error code Description Action
964.xx
Service Emulation Error
Download emulation cyclic redundancy check
(CRC) failure has occurred. A checksum failure
detected in the emulation header or emulation
file.
The following actions may be taken:
1 Disable the Download Emulation.
2 Program the download emulation into
the code overlay SIMM again.
3 If the problem is not resolved replace
the code overlay SIMM, and download
emulation again.
975.xx
Service Standard Network
or
975.xx
Service Network Card x
Network error: unrecognizable network port. Replace the standard network card or the
card in the specified slot.
976.xx
Service Standard Network
or
976.xx
Service Network Card x
Unrecoverable software or error in network or
network card x.
If unable to clear the error message, then
check the following:
• If installed, then check network card for
correct installation.
• If correctly installed, then replace the
network card.
• If a network card is not installed, then
replace the controller board. See
“Controller board removal” on
page 239.
978.xx
Service Standard Network
or
978.xx
Service Network Card x
Bad checksum while programming Standard
Network or Network Card x port.
Check the following:
• Make sure you have downloaded the
code in binary mode, not ASCII.
• Reprogram the Network card.
• If the problem persists, and if installed,
then check the network card for correct
installation.
• If correctly installed, then replace the
network card.
• If a network card is not installed, then
replace the controller board. See
“Controller board removal” on
page 239.
979.xx
Service Standard Network
or
979.xx
Service Network Card x
Flash parts failed while programming the
Standard Network or Network Card x port.
Check the following:
• If installed, then check the network card
for correct installation.
• If correctly installed, then replace the
network card.
• If a network card is not installed, then
replace the controller board. See
“Controller board removal” on
page 239.
7527
Diagnostic information
102