User manual

B-2 Return to Section Topics 3390-900-01 Rev. C / January 2009
Appendix B: Error Messages Model 3390 Arbitrary Waveform Generator User’s Manual
Introduction
Error messages are issued when an incorrect command is sent to the Keithley Instruments Model
3390 Arbitrary Waveform Generator. Error messages are stored in an error queue and can be
retrieved in the first-in-first-out (FIFO) order.
If more than 20 errors exist, the last error stored in the queue (the most recent error) is replaced
with -350, Queue Overflow. Additional errors are not saved until errors are read and cleared
from the queue.
The error queue is cleared with power off and on, or a *CLS (clear status) command.
Error messages are categorized and listed in this section for your reference (see Error message
definitions). If you cannot find a particular error message in this section, contact your service
representative.
To read error messages:
1. Press the Help key.
2. Use the up and down soft keys to scroll through the selections until View remote command
error is highlighted.
3. Press the soft key under Select to display the error messages.
4. Press the soft key under DONE to exit the error display.
Remote interface operation:
Use this command to read one error from the error queue:
SYSTem:ERRor?
Use this command to clear all the errors in the error queue:
*CLS
Error message definitions
Table B-1:
Command errors
Error code Description
-101 Invalid character
An invalid character was detected in the command
string.
-102 Syntax error
Invalid syntax was detected in the command string.
-103 Invalid separator
An invalid separator was detected in the command
string.
-105 GET not allowed
GET is not valid in a command string.
-108 Parameter not allowed
Received more parameters than expected.
-109 Missing parameter
Received fewer parameters than expected.
-112 Program mnemonic too long
Received more characters than allowed in the
command header.
-113 Undefined header
An invalid command was received.
-123 Exponent too large
Detected a numeric parameter with an exponent
larger than 32,759.
-124 Too many digits
Detected a numeric parameter with too many digits.
-128 Numeric data not allowed
A numeric parameter was received when the
instrument was expecting a string parameter.
-131 Invalid suffix
A suffix was incorrectly specified for a numeric
parameter.
-138 Suffix not allowed
A suffix is not supported for this command.