My thermostat constantly turns off and flashes it's red light for
charging. I charged it via USB the other day and it worked for a short
time but it's back to doing it again. I've checked the wiring (3 wire),
and measured the power at the plate at 27...
I installed it just after Christmas, it had been working fine until
about two weeks ago. I haven't made any changes to the wiring since I
installed it. It's just a 3 wire red/white/green. There are other wires
in a common jacket, but none were connec...