How to delete bogus alarms in alarm list
Two months ago we added 5 AC800M controllers to an existing 800xA system version 6.0.1/3. 3 Aspect Server system. Like any startup, we had a large number of signals in alarm state during commissioning. Now almost two months in operation, we still see around 150 alarms in the alarm list showing AI signal errors on signals that are clearly no longer in error, and currently in operation. Time stamps appear to be from startup. Alarms appear on the IO signal Function Block, which is connected to IO hardware with standard RealIO variables. Going online with CBM shows IO signal status is not in signal error. Function Block is also not showing signal error. In brief, hardware status and Function Block are not showing signal error, but alarms are still in list. If we delete the alarms, they all reappear before too long. How can we clear these bogus alarms from list?
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