• Code: 964.xx
• Description: Service Emulation Error Download emulation cyclic redundancy check (CRC) failure has occurred. A checksum failure detected in the emulation header or emulation file.
• Remedy: 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.

• Code: 975.xx
• Description: 975.xx Service Standard Network or 975.xx Service Network Card x Network error: unrecognizable network port.
• Remedy: Replace the standard network card or the card in the specified slot.

• Code: 976.xx
• Description: 976.xx Service Standard Network or 976.xx Service Network Card x Unrecoverable software or error in network or network card x.
• Remedy: 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.

• Code: 978.xx
• Description: 978.xx Service Standard Network or 978.xx Service Network Card x Bad checksum while programming Standard Network or Network Card x port.
• Remedy: 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.

• Code: 979.xx
• Description: 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.
• Remedy: 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

• Code: 982.xx
• Description: Service <device> Comm. Communications error detected by the specified device. Note: <device> can be one of the following: • Tray 2 • Tray 3
• Remedy: Call next level of support.

• Code: 990.xx
• Description: Service <device> This error message indicates that an equipment check condition has occurred in the specified device. Note: <device> can be one of the following: • Tray 2 • Tray 3
• Remedy: Go to the service check for the device indicated.