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Put the new batteries in *backwards, let the thermostat sit for 5 minutes, then remove and replace the batteries in the proper position. That has about a 30% chance of solving the problem.
Tell me about how old the thermostat is please.
Tell me please if this looks like the manual for it, and a bit about your technical skills so that I can coach you most effectively,
Pry the front of the thermostat from its sub base that is screwed to the wall and tell me what color wires attach which letter'd terminals.
Jumper R to G tell me if the furnace blower comes on or not.
Thanks for letting me work with you.
please locate the 'rate your expert button' and click one of the ratings .If you still need help let me know!.
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