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In SoMove the Fault history shows "Hour of Fault". How is this time determined?

In SoMove the Fault history shows "Hour of Fault".  How is this time determined?

Product line:
ATS48, Altistart 48

all models


The time is based on the ATS48 operating (run time).  Run time can be found in the Monitoring menu under parameter RNT. 

Since this follows Operating Time (SUP Menu > RNT parameter), If the Run time is reset using the RPR parameter under the DRC menu, then the fault history Hour of Fault will match the updated run time.  Replacing the control board will also cause the Run time to reset to 0. 

Note:  To reach the maximum run time of 65535 hours, the unit would have to run for almost 7.5 years at continuous operation (24hrs a day, 7 days a week)
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