Errors can now be highlighted on the daily summary view, and interestingly I have 14minutes in my 4 and a bit years of data with the conditions met to trigger this flag, even though I have a sontex heat meter.
See little red dot in the middle:
Clicking through to that day (Im not sure what went wrong there)
See my dashboard here: Emoncms - app view dashboard
To see errors in historic data the daily summary data needs to be recalculated. I need to make a button for this…