One of my (3) Wyze thermostats restarts every time it engages Heat Stage 2. Has anyone else experienced thus? Heat Stage 1 and Cool Stage 1 test, and run, just fine… but Heat Stage 2 is not working. This might be coincidental - but this has been an issue in the past 24 hours… within a day of updating to the most recent firmware for the device: 1.2.4.a2.
Here is a folder with some pictures of the thermostat and furnace wiring.
I have tried resetting the unit, a handful of times now. I have called support and talked with them… submitted a case for the engineers…
In the original Honeywell wiring picture, the green wire was attached to “G” prior to the picture.
I will say - before yesterday - the thermostat acted normally… I also might have selected “O/B” during the initial setup, instead of “O.” I was originally prompted to identify the type of furnace I had, or whether or not I had a heat pump. When I set up the thermostat this time, the setup procedure did not require this information.
I did try to swap one of my functioning units for this unit, and Heat Stage 2 restarts that unit as well.
The voltage going to the thermostat (tested at the transformer in the furnace) is 27V… and should allow it to hit 24(ish [not tested at thermostat]) as it gets to the thermostat, which is probably 35ft of wire away…
I didn’t recognize any issues prior to yesterday, however we really didn’t get super cold weather in this area up until this week… so I’m beginning to wonder if Heat Stage 2 is Emergency Heat? The temperature dropped into the low 40’s at night over the past two nights.
Any help or knowledge would be greatly appreciated!