Woke up this morning to this message from the thermostat:
I can click that message away and it then it appears to call for cool. The air handler turns on but no cooling.
The outdoor unit shows no signs of life. Not like compressor struggling to turn on, but nothing. Not even a click of some kind.
The breaker is on, the voltage at the disconnect is correct. Upon taking the panel off (which is as far as I can comfortably go), I saw this (see white bubble):
Can anything be deduced from that?