Remote Interface Reference 3
Status Reporting Commands
E3632A User’s Guide 117
Status Reporting Commands
SYSTem:ERRor?
This query command reads one error from the error queue.
When the front- panel ERROR annunciator turns on, one or
more command syntax or hardware errors have been
detected. A record of up to 20 errors can be stored in the
power supply’s error queue. Refer to
Chapter 4, “Error
Messages” for more details.
• Errors are retrieved in the first- in- first- out (FIFO) order.
The first error returned is the first error that was stored.
When you have read all errors from the queue, the ERROR
annunciator turns off. The power supply beeps once each
time an error is generated.
• If more than 20 errors have occurred, the last error
stored in the queue (the most recent error) is replaced
with - 350, “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
power supply responds with +0, “No error”.
• The error queue is cleared when power has been off or
after a *CLS (clear status) command has been executed.
The *RST (reset) command does not clear the error
queue.
Refer to “SCPI status system” on page 108 for detailed information of the
status register structure of the power supply.
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