Have HVAC Questions? Ask an HVAC Expert for Answers
Should have a battery compartment on right side that swings out to replace batteries. Lets start there
OK give me second.
Being wifi it will not depend on batteries,Has to have 24v from furnace.
Lets look in furnace to see if maybe a fuse is blown or in drain to see if a float switch may be breaking the circuit.
If you can give me model on unit I will tell you where to look for fuse.
I understand.Most likely a power issue, not getting voltage to thermostat.
If you have further questions, please let me know.
Thanks for letting me work with you.If my answer has been polite, professional,and thorough, please click one of the ratings before you go. If you still need help let me know!.Expert is not paid for assisting you until you rate answer.Feel free to follow up for 30 days at no additional cost. Bonus always appreciated if you feel justified.
To rate answer, please select one of the stars on the page.