Question about Carrier Heating & Cooling
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Posted on Jan 02, 2017
Is this an electric or gass furnace - Eather of these can can have this problem its most recomendable that you call a seviceman .
in the case of electric furnace you may requier a new heat sequencer. And in the case of gass you may requier a new relay.
Posted on Feb 19, 2009
Okay. Here's what I suspect in order of probability:
- low refrigerant charge
- contactor not getting 24 volts from controller (controller problem)
- bad contactor
- bad capcitor
I'd start with the charge, as suggested by mastatech. But if it is low, you'll need a service call, anyway, so pressing the needle valve may not be necessary.
I'm assuming you're not going to be taking the unit apart and testing stuff, so you'd need a service call for that as well.
I guess bottom line is, call for service. At least, I think we've ruled out simple stuff which will avoid paying for a service tech to come out and flip a switch.
Maybe mastatech has some other recommendations.
Posted on May 10, 2009
If you take off the front control panel cover (simply prying off on the edge with finger) you will find 2 small buttons under the display panel, one being mode and the other being prog.
Press both simultaneously and hold down for 5 secs and the display will blink, press prog to advance to what you want to program, kinda like setting a timex watch. As I recall you can set degrees celcius or farenhight/ cycle/Hi/Lo etc.
Just keep in mind when you set using the up and down arrows:
flashing H means: at what temp do you want HEAT to kick in?
flashing C means: at what temp do you want AC (if you have it) to kick in....if no A/C fan simply blows air.
Hope that helps.
Posted on May 30, 2009
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