Fluke Calibration 5730A Operator's Manual page 247

4814 GPIB File System Error
4815 GPIB Command byte transfer error
4816 GPIB Serial poll status byte lost
4817 GPIB SRQ stuck in ON position
4818 GPIB Table problem
4900 Failed to mount USB drive
4901 Failed to copy files
5000 Error while reading 52120A cal store
5001 Expected a 52120A but it was gone
5002 52120A cal store corrupted
5003 Value out of range of 52120A
5004 Unknown error reported by 52120A
5005 52120A added or removed
5006 52120A forceably turned off
5007 52120A detected over compliance
5008 52120A detected over range
5009 52120A detected over temperature
65535 Unknown
4900-Level Faults: USB Host
5000-Level Faults: 52120A Boost System
A
Appendices
Fault Codes
A-25