HP 70301A Installation And Verification Manual page 56

Operating Errors (2000-2999)
2001 Illegal cmd
2002 Illegal parameter
2006 Parm out of range
2008 Output unleveled


2009 Protocol error
Hardware Warning Errors (6000-6999)
6000 EAROM unprotected
Hardware Broken Errors (7000-7999)
7000 ROM Check error
7002 First LO unleveled
5-6 Troubleshooting