–321 ROM checksum
–322 Hardware and Firmware incompatible
–330 Power on test failed
–340 Self Test failed
–350 Too Many Errors (Error queue overflow)
Query Errors
–400 Query Error (generic)
–410 Query INTERRUPTED
–420 Query UNTERMINATED
–421 Query received. Indefinite block response in progress
–422 Addressed to Talk, Nothing to Say
–430 Query DEADLOCKED
Error Messages
Query Errors
7–5