@prschmidt I have the same issue you have, it seems to ignore the Start PV power setting.

@eg4eric Hi, I attached a video of the transformer in my furnace (left side of the frame). You can hear when I enable SMART Load the hum is from that...

@eg4eric thank you for passing it along, however I would like to stress that the problem is not limited to this one transformer. Other appliances exh...

@eg4eric it's a small 120VAC to 24VAC transformer, probably 40VA. Initially I thought the problem was the transformer in the HVAC so I replaced it ...

The serial #'s are: 4303740541 and 5263740687. Thank you

@eg4eric yes, I have done that.