10 SYSTem Subsystem
250 U2000 Series Programming Guide
Errors are retrieved in a first in first out (FIFO) order. If more than 30 errors
occur, the error queue overflows and the last error in the queue is replaced
with the error –350, “Queue Overflow”. Any time the queue is overflows the
most reent error is discarded.
Example
Reset Condition
On reset, the error queue is unaffected.
Error Messages
• If the error queue overflows, the last error is replaced with –350, “Queue
overflow”. No additional errors are accepted by the queue until space
becomes available.
SYST:ERR? This command queries the oldest error
message stored in the power sensor’s
error queue.
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