User Manual
320 i Series / iX Series
10. Error Messages
Any errors that occur during operation from either the front panel or the remote control interface
will result in error messages. Error messages are displayed in the upper left hand corner of the
LCD display. They are also stored in the error message queue from which they can be queried
using the SYST:ERR? Query. The error queue has a finite depth. If more error messages are
generated than can be held in the queue, a queue overflow message will be put in the last queue
location. To empty the queue, use the error query until the No Error result is received.
Errors appearing on the LCD will generally remain visible until the user moves to another screen.
If multiple error messages are generated in succession, only the last message will be visible as
there is only space for one error message on the LCD display.
The same area of the display is also used to display status messages. While error messages
always have a negative error number, status messages have a positive number.
The table below displays a list of possible error and status messages along with their possible
cause and remedy.
Unable to complete
requested operation
Unit may be in a mode inconsistent
with request.
Command syntax
incorrect.
Misspelled or unsupported command
SCPI separator not
recognized
See SCPI section of programming
manual.
Check command for supported data
types
One or more
additional parameters
were received.
Check programming manual for
correct number of parameters
Too few parameters
received for
requested operation
Check programming manual for
correct number of parameters
Invalid command
separator used.
Use semi-colon to separate
command headers
"Program mnemonic
too long"
Check programming manual for
correct command syntax
Command not
recognized error
Check programming manual for
correct command syntax
Data received is not
a number
Check programming manual for
correct command syntax
"Invalid character in
number"
Number received
contains non-numeric
character(s)
Check programming manual for
correct command syntax
Exponent in number
exceeds limits
Check programming manual for
correct parameter range
"Numeric data not
allowed"
Number received
when number is not
allowed.
Check programming manual for
correct command syntax
Check programming manual for
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