How do I reset itPost created: 2013-04-12 Type of Equipment: Furnace Views: 236
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We have replaced the thermaste and nothing is working the blower will not even come on. Is there a way to reset this model? Carrier model 58sta090-14
On 2013-04-12 JB wrote:
Probably the first thing to do is go to the fuse box and shut power off to the furnace, wait a few seconds and then turn the power back on. This may work. Is it doesn't there is a limit switch or flame roll out switch. If this is the case I found the following information here: http://www.doityourself.com/forum/gas-oil-home-heating-furnaces/363188-carrier-furnace-manual-reset.html.
"You will find a thin cylindrical, sometimes red painted pin, that is in the middle of a small switch, that has two wires/spade connectors. If you find any such switch out in front of the burner, or mounted on sheetmetal above the burner area, look to see if it has one of those pins in the middle. Then press it in - and if you feel/hear a slight audible click, you know right then and there you have found your problem."
I would also add that there is more than one switch and each performs an important safety function so be careful with working around these switches.
If you are not a certified HVAC tech then I would call one in to do the work for you.
There is also the issue that it may not be a problem with a reset switch, but that there is a malfunction with the furnace. Are you getting an error code? This would be indicated by two lights near or on the control board or an LED display. If you are getting an error code it will give you a sense of what the problem is. Again, it is recommended to bring in a qualified HVAC tech to properly diagnose and fix the problem.
To keep legal happy, let me just say that I am not an HVAC contractor, and you should never even look at your furnace without having a qualified, liability accepting HVAC contractor present. To keep sales happy, let me just say that you can find an HVAC contractor that's happy to take your money here: http://www.furnacecompare.com/perl/find_contractors.pl.