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Armstrong furnace sa7414

SA7414 Central Air: put heat on, blower started for about 10 sec. then stopped. No heat.

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

solveditnow
  • 39 Answers

SOURCE: (HVAC) Furnace Not Igniting Quickly

Make sure a back draft in the flue is not happening. Wind can blow it out until the flue heats up. The flame sensor may not be close enough to the burner flame. It may be weak and need to be replaced or if its an optical one it may be dirty and not see the flame very well. Its not wasting much gas but it puts extra wear and tear on the gas controls, is noisy, and, as you said, blows cold drafty air. A gas control system that has issues of any kind is not real safe. It needs to get fixed.

Posted on Jan 08, 2009

jumptrout51
  • 3361 Answers

SOURCE: Furnace runs OK, but blower runs again a few seconds later

Could be a defective thermostat in the plenum.
When a gas furnace shuts down the fan(blower) will run until the plenum cools to the safe range. Usually 1 and 1/2 minutes.
Intermittent operation is a defective thermostat or relay.

Posted on Mar 11, 2009

philbran
  • 242 Answers

SOURCE: Furnace runs constantly since blower motor was replaced

Sounds like they wired it direct to line voltage , it should run through a sequencer or fan relay to cycle on and off , your seq./relay could be stuck closed to but unlikely being it was just repaired , call the service company back before you do anything they are responsible.

Posted on Apr 11, 2009

Therinnaiguy
  • 1420 Answers

SOURCE: Trying to determine whether I have a bad

The inducer blower will put a vacuum on your pressure switch which in turn will tell the board to apply power to the ignitor. If you have a vent blockage, dirty air filter, plugged condensate line or any blockage of either vent or air intake, the furnace will lock-out and flash an error code on the circuit board. If after inspecting all the above for debris and found nothing, you can quickly jump the pressure switch after the inducer starts to see if the ignitor glows. You could also have a bad ignitor. Yes the lock-out is normal. Looks like you discovered the cause on your own, order a new switch.

Posted on Feb 15, 2010

Testimonial: "Thanks for you quick answer - I already checked vents/tubes/cond. Older furnace so no led's - wasn't sure about lock out sequence - I'll get switch!!"

  • 69 Answers

SOURCE: wiring schatic to wire a 10 kw heat strip inside of a trane gas furnace

If you are using strip heat as seperate mode you must install a fan isolation relay which would be energized by emergency ht mode of stat.

Posted on Nov 25, 2012

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2 Answers

Is 32c a normal temp for an exhaust on a force air high efficiency house furnace? This is the air temp that goes outside after heating the plenum. Is there a lot of heat going up the "chimney"??


Any furnace providing heat where it should and has little to no heat from its exhaust is doing a GREAT job ;-)

Our high efficiency gas furnace was installed with a PVC pipe as a 'chimney' which bothered me to no end until I found the surface temp of that plastic pipe only barely warm to the touch- that is a home run!

Jan 09, 2015 | Emerson Lennox Ducane Armstrong Furnace...

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Heater heats but shuts off


Try the fan in the ON position on the thermostat, do you mean the fire shuts off or the blower?





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Jan 15, 2013 | Emerson Lennox Ducane Armstrong Furnace...

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I have central heat and air system, my problem is when in heat it runs for 10-15 min. turns off and about 20 seconds later starts back up. It shts off before hiting its tstat. temp.


If this is a gas furnace and you have a cooling coil on top then you could have a dirty coil. Also a dirty air filter can do this. I have also found dirty blower wheels. The gas furnaces have a high limit to prevent the heat exchanger from over heating. Another possibility is always a possibillity; however, 99% of the time I find an air flow issue.

Mar 24, 2011 | Bryant 463AAC008BA Air Conditioner

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Can anybody identify this airhandler/furnace? MOD# GNJ075M12A1. SER# NTN5075BFA1. THERE IS ALSO AN A-COIL IN A CABINET BUT I DONT THINK IT GOES WITH THIS UNIT. MOD#C2E30B-1A SER# 6002B0483. IT ALSO HAS AN...


Your Gas Furnace is a Comfortmaker.
The Evaporator Coil is an Armstrong.

Hope you find this to be very helpful.

Please leave a rating for me. :-)

May 14, 2010 | Heating & Cooling

1 Answer

Trying to determine whether I have a bad Ign/Lockout or inducer relay board on Mod 58SXA080-GG. If I shut off heat at t-stat or unplug ign mod. for 10 min. It will usually intiate a heat cycle but I only...


The inducer blower will put a vacuum on your pressure switch which in turn will tell the board to apply power to the ignitor. If you have a vent blockage, dirty air filter, plugged condensate line or any blockage of either vent or air intake, the furnace will lock-out and flash an error code on the circuit board. If after inspecting all the above for debris and found nothing, you can quickly jump the pressure switch after the inducer starts to see if the ignitor glows. You could also have a bad ignitor. Yes the lock-out is normal. Looks like you discovered the cause on your own, order a new switch.

Feb 15, 2010 | Carrier XHB123D X/Y Series Heat/Cool Air...

1 Answer

Armstrong 4PHP13E36P runs after heating element cools


There may be pins on the circuit board inside the air handler that you can adjust. First turn off the breaker then look inside at the board. They may say 30-45-60-90 etc. Put the pin on a lower number. Do you have a digital or programmable T-stat? There may be a setting in the T-stat setup program that allows for blower delay also. consult you installation instructions. Last if the blower isn't turning off at all then the relay on the circuit board is stuck closed and should be replaced.

Mar 10, 2009 | Heating & Cooling

4 Answers

High limit switch open on armstrong furnace


If you know where the high limit switch is you can always cut the two wires and wire them together causing the limit to close. But what you have to watch out for is why the high limit is not closing. That means in your return air either you have a dirty return air duct, dirty filter, or you don't have all your registors open to allow the heat to escape the heat exchanger. Just watch over riding the system. The high limit switch should either be on or behind the blower, in the middle of the system right under the heat exchanger. any other questions about hvac just ask.

David

Mar 23, 2008 | Heating & Cooling

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