Error Messages

Introduction

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 error -350, “Queue Overflow”. Any time the queue overflows the most recent error is discarded.

Once the errors are read they are removed from the error queue. This opens a position at the end of the queue for a new error message, if one is subsequently detected. When all errors have been read from the queue, further error queries return +0, “No errors”.

To delete all the errors in the queue from the front panel press:

System

, More , Error List then Clear Errors .

Inputs

To delete all the errors in the queue remotely use:

the *CLS (clear status) command.

The error queue is also cleared when the instrument power has been switched off.

HP EPM-442A User’s Guide

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