System:error - Agilent Technologies U2000 Series Manual

SYSTem:ERRor?

This query returns error numbers and messages from the power sensor's error
queue. When an error is generated by the power sensor, it stores an error
number and corresponding message in the error queue. One error is removed
from the error queue each time this command is executed. The errors are
cleared in the order of first- in first- out, this is the oldest erros are cleared
first. To clear all the errors from the error queue, execute *CLS command.
When the error queue is empty, subsequent SYSTem:ERRor? queries return a
+0, "No error" message. The error queue has a maximum capacity of 50 errors.
Syntax
Query Example
SYST:ERR?
Error queue messages have the following format:
Error Queue Message
For example, –330, "Self- test Failed;Battery Fault".
U2000 Series Programming Guide
SYST
:ERR
Error
,
Number
?
This command queries the system error.
Error
Description
"
SYSTem Subsystem
Error
; ;
Description
10
"
249