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Central Heat not working

Posted on 2/15/21 at 9:00 am
Posted by bobdylan
Cankton
Member since Aug 2018
1530 posts
Posted on 2/15/21 at 9:00 am
Thermostat is on but the heat, fan or A/C will not come on.

Electricians can’t come due to weather.

Any ideas on things we could check ourselves?

None of the breakers are tripped.
Posted by footballdude
BR
Member since Sep 2010
1075 posts
Posted on 2/15/21 at 9:17 am to
(no message)
This post was edited on 2/16/21 at 8:22 am
Posted by CatfishJohn
Member since Jun 2020
13711 posts
Posted on 2/15/21 at 9:22 am to
quote:

Central Heat not working



Posted by baldona
Florida
Member since Feb 2016
20533 posts
Posted on 2/15/21 at 9:40 am to
I’d call an HVAC tech not an electrician, first.

There’s nothing working? You may have a breaker in your hvac closet id check that. Otherwise could be a simple setting with your thermostat.

Posted by wickowick
Head of Island
Member since Dec 2006
45822 posts
Posted on 2/15/21 at 10:05 am to
When was the last time it worked?
Posted by Tigerpaw123
Louisiana
Member since Mar 2007
17284 posts
Posted on 2/15/21 at 10:28 am to
Heat pump or heat strips?
Posted by LEASTBAY
Member since Aug 2007
14326 posts
Posted on 2/15/21 at 10:39 am to
Can you see if you have a faulty float switch? I assume it will also shut down heat if it's tripped. I'm not positive though. Try bypassing them If you don't have multimeter. I know mine has 2. One on the drain pipe and one in the coil.
Posted by ItzMe1972
Member since Dec 2013
9824 posts
Posted on 2/15/21 at 11:14 am to
I had a similar issue with gas not lighting.

Went up in the attic and reset the switch going to the air handler/inside unit. That must have reset the electronics as it fired up after that.

Like others have suggested, change batteries in thermostat if it has them.
Posted by GeneralLeeAwesome
Chalmette
Member since Aug 2017
554 posts
Posted on 2/15/21 at 12:43 pm to
Where are you located. I’m an HVAC tech that just got off because of the weather
Posted by armsdealer
Member since Feb 2016
11533 posts
Posted on 2/15/21 at 1:04 pm to
Our heat won't kick on, gas, only 6 years old, but we rarely use it. We just had it working a WEEK ago when our HVAC shut off due to an electrical issue at the disconnect. We have the fan but it WON'T turn off under any conditions so we unplugged it. We have two space heaters going into each of the kids rooms and the master bath heater running and it is comfortable in our house.
Posted by baldona
Florida
Member since Feb 2016
20533 posts
Posted on 2/15/21 at 3:00 pm to
Did you try emergency heat op? I don’t remember the difference maybe just a relay? But there’s obviously a reason for emergency snd regular heat modes.

It could be a bad battery or float switch too.

Remove your battery if it has one and try it, if the power is off without a battery you have supply problem. If the battery is bad it’s supposed to still work I believe? But maybe that’s all it is.
Posted by WestLakeOHTiger
Member since Aug 2020
83 posts
Posted on 2/15/21 at 4:27 pm to
Check the filter? If it’s clogged it could limit airflow.
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