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I just changed the batteries in my thermostat and it won't
I just changed the batteries in my thermostat and it won't turn back on, what do i do? … read more
airheatman
airheatman
HVAC Technician
6 years college
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The screen of my Honeywell thermostat is blank. It was
The screen of my Honeywell thermostat is blank. It was working this morning, I took it off the wall and changed the batteries abc now there is nothing on the display … read more
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airheatman
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The light went out. I changed the batteries. Before I could
The light went out. I changed the batteries. Before I could just raise or lower the temperature. It's a RTH2300RTH221. . IS here any way I can operate it manually. I moved into this Condo. I am a wido… read more
Rick
Rick
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I changed the batteries in the thermostat and re-programmed
I changed the batteries in the thermostat and re-programmed start/stop and temp settings but am still not sure if its working. Can I have a phone call? (###) ###-####… read more
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Our Honeywell 97-4543 Rev A isn't working. I've replaced the
Our Honeywell 97-4543 Rev A isn't working. I've replaced the batteries a few times: the first time, the screen blinked before displaying the low battery warning. Since then, the screen has been comple… read more
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We have a Honeywell thermostat wireless it does not turn
We have a Honeywell thermostat wireless it does not turn furnace on when temp drops below set temp. Maybe if it gets down to 8-10 degrees below setting it will come on. Any suggestions … read more
Twa252842
Twa252842
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My thermostat died, I replaced the batteries, and it didn't
My thermostat died, I replaced the batteries, and it didn't come back on. … read more
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Michael Ferryman
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I don't want to program the thermostat, I just want to set
I don't want to program the thermostat, I just want to set the temp on the right side and them turn it on. Have changed the batteries to no avail. What do I push or how should controls be set? … read more
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My thermostat for our under floor heating is not working. It
My thermostat for our under floor heating is not working. It is for water under floor heating. 00626575104364 could be the serial number. It does not show the temperature … read more
BillyHvac
BillyHvac
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My Honeywell thermostat has been periodically showing a
My Honeywell thermostat has been periodically showing a screen to set the time. 1. Why? 2. I don't want to set the time. 3. Will the heat continue to come on if the “set time” screen is showing? I liv… read more
Jerry
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I had a power outage yesterday and electricity was off
I had a power outage yesterday and electricity was off approximately 30-45 minutes. Ever since power came back on, my heat won't come on. I've tripped the breaker several times and the thermostat is s… read more
Tamar D
Tamar D
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I JUST MOVED IN TO MY NEW HOUSE AND THE THERMOSTAT IS
HELLO, I JUST MOVED IN TO MY NEW HOUSE AND THE THERMOSTAT IS LOCKED. THE PREVIOUS OWNERS DON'T KNOW THEIR CODE. WHAT CAN I DO TO RESET THE CODE TO TURN THE HEAT OFF!!1 … read more
The-HVAC-Guy
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My thermostat was reading low batteries. I changed them, but
Hello! My thermostat was reading low batteries. I changed them, but didn't realize I needed to turn the system to off first. Now it's black and won't light up. How do I fix this? … read more
Tamar D
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I came home from work today and my house was 92 degrees and
I came home from work today and my house was 92 degrees and my thermostat said low battery. I replaced the batteries and now the thermostat will not come back on—the screen just stays blank. … read more
airheatman
airheatman
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I changed the batteries in my Robert Shaw thermostat and it
I changed the batteries in my Robert Shaw thermostat and it still is flashing "LO 8 RE" but the heat has now come on. … read more
jHVAC
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My Honeywell RTH 8320 WF 1007 I believe it is screen
My Honeywell RTH 8320 WF 1007 I believe it is screen starring going blank last Wk no warning of battery low but kept randomly going blank so today O got new batteries & out cover back on& took awhile … read more
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I took the batteries out of my wall thermostat thinking that
I took the batteries out of my wall thermostat thinking that they weren't working and now I can't get any reading. Just a blank screen. I put brand new batteries in … read more
airheatman
airheatman
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Carrier Performance 93 installed 5 years ago. Last week I
Carrier Performance 93 installed 5 years ago. Last week I had a new thermostat installed but problem has not been resolved. Here is the pattern since then: New thermostat installed Wed March 9th and p… read more
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