106 Keysight NFA Series Noise Figure Analyzers Service Guide
Instrument Messages
Event Messages
–281 Cannot create program Indicates that an attempt to create a program was unsuccessful. A reason for
the failure might include not enough memory
–282 Illegal program name The name used to reference a program was invalid; for example, redefining an
existing program, deleting a nonexistent program, or in general, referencing a
nonexistent program
–283 Illegal variable name An attempt was made to reference a nonexistent variable in a program
–284 Program currently
running
Certain operations dealing with programs may be illegal while the program is
running; for example, deleting a running program might not be possible
–285 Program syntax error Indicates that a syntax error appears in a downloaded program. The syntax
used when parsing the downloaded program is device-specific
–286 Program runtime error 
–290 Memory use errors 
–291 Out of memory 
–292 Referenced name does
not exist

–293 Referenced name
already exists

–294 Incompatible type Indicates that the type or structure of a memory item is inadequate
Err# Message Verbose/Correction Information