Keysight Technologies 34959A Service Manual page 86

4 Troubleshooting and Diagnostics
796 "Firmware update error; bad checksum for download start"
797 "Firmware update error; bad checksum for download complete"
798 "Firmware update error; download in progress"
799 "Firmware update error; unable to complete download"
800 "Firmware update error; invalid programming address"
810 "State has not been restored"
811 "Operation has not been implemented"
Plug-In Module Errors
These errors are related to the plug-in modules and often indicate a failing
module.
Error Description
901 "Module hardware: unexpected data received"
902 "Module hardware: missing stop bit"
903 "Module hardware: data overrun"
904 "Module hardware: protocol violation"
905 "Module hardware: early end of data"
906 "Module hardware: missing end of data"
907 "Module hardware: module SRQ signal stuck low"
908 "Module hardware: not responding"
910 "Module reported an unknown module type"
911 "Module reported command buffer overflow"
912 "Module reported command syntax error"
913 "Module reported nonvolatile memory fault"
914 "Module reported temperature sensor fault"
915 "Module reported firmware defect"
916 "Firmware update required (www.Keysight.com/find/34980AUpdates)"
86 Keysight 34980A Service Guide