Worth the spare wires, I was able to add the common. That took care of
the Nest getting power. The unit was short cycling. It turned out there
was a wiring issue in the basement. After 3 junior techs, they finally
sent a master, and he was the one th...
I started experiencing the e103 code this season. Last season was
perfectly fine. I decided to take a look into this e103 error, which is
supposedly an overcurrent condition. I have my 24 VAC, jumpered an
ampmeter between the power & Y1. I'm not sure...