Keysight 53230A - System:error

SYSTem:ERRor?
Syntax
SYSTem:ERRor[:NEXT]?
Description
This command reads and clears one error from the instrument's error queue. A record of up to 20 errors
can be stored in the instrument's error queue. Each remote interface I/O session (i.e., GPIB, USB, LAN,
etc.) has its own error queue. Errors appear in the error queue of the I/O session that caused the error. For
example, if an error was generated by a command sent over the GPIB interface, send the SYSTem:ERRor?
command from GPIB to read the error queue.
For a complete listing of all error messages, see SCPI Error Messages.
Remarks
l The instrument beeps once each time a command syntax or hardware error is generated. The front-
panel ERROR annunciator turns on when one or more errors are currently stored in the error queue.
l Errors are retrieved in first-in-first-out (FIFO) order. The first error returned is the first error that was
stored.
l Errors are cleared as you read them. When you have read all errors from the error queue, the ERROR
annunciator turns off.
l If more than 20 errors have occurred, the last error stored in the queue (the most recent error) is
replaced with -350,"Error queue overflow". No additional errors are stored until you remove errors
from the queue. If no errors have occurred when you read the error queue, the instrument responds
with +0,"No error".
l Errors generated by the instrument hardware are broadcast to all I/O sessions.
l The front panel reports errors from all I/O sessions and clears them. To read the error queue from the
front panel, use the Utility menu (press the [Utility] key). See the Keysight 53220A/230A 350MHz
Universal Counter/Timer User's Guide for further information.
l Error conditions are also summarized in the Status Byte Register. For more information on the SCPI
Status System, see Status System Introduction.
l The error queue is cleared by the *CLS (Clear Status) command (for the I/O session), and when power is
cycled (for all errors). All errors are cleared when you read the error queue. However, the error queue is
not cleared by a Factory Reset (*RST command) or an Instrument Preset (SYSTem:PRESet command).
Return Format
The query reads and clears one error string from the error queue. The error string may
contain up to 255 characters and consists of an error number and an error string
enclosed in double quotes such as: -113,"Undefined header".
Example
The following example reads and clears one error.
Keysight 53220A/53230A Programmer's Reference 443
SYSTem:ERRor?