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Gibson Furnace Hi and thanks for reading my question. I have a Gibson furnace with electronic ignition. When I turn on the power to the furnace it starts running with the batteries removed from the thermostat. It blows but does not produce cool or or stop running. The circuit board has a small red light that is flashing but does not seem to have a pattern. I would appreciate any input that you may have. Also are the relays located ont he circuit board itself?

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  • linkuplink Nov 13, 2008

    red light flashing code says bad ground



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  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 1420 Answers

SOURCE: Amana 80SSE Furnace

Not much info to go on, but lets look at a few possibilities. Your thermostat could be turned to the ?Fan On? setting, make sure you put it in the ?Auto? mode. Or it could be bad, or there could be a short in the wiring. Open up the access panel on your furnace. Lets eliminate the thermostat from the equation by disconnecting the red, white and if you have a yellow wire at the furnace. Mark down which wire went where. The furnace will have a door safety switch that will have to be taped temporarily closed to test the furnace. With a short piece of wire (2-3" long), strip off 1/2 inch of the insulation on both ends. Secure one end on the R terminal where you removed the red wire from your thermostat. Take the other end and touch the G terminal on the same electrical board. Your fan will start. Don't worry about an electrical shock, the voltage is only 24 volts. Now with one end still attached to the R terminal, touch the W terminal where the white wire was attached. The furnace will now try to fire up. Hold it there until you see that it did start. If you did this and had success, I would say it was your thermostat or the wire going to it. Last resort would be a bad control board. If you want, you can do test your thermostat wiring by removing the thermostat from it's mounting plate. Put all wires back where they were on the furnace. Make sure the access door is back in place and secure. Take that same jumper and jump across the red and white wires on the mounting plate. Again the furnace should start up. Have a helper jiggle the thermostat wires where accessible when the furnace is running and see if it remains on or shuts off. If everything checks out, replace the thermostat. Good Luck!

Posted on Oct 08, 2007

  • 1420 Answers

SOURCE: Ruud Furnace won't turn on

Take of the access panel on the furnace and look for a wiring diagram either on the back of the panel or inside the housing. There will be a diagnostic chart on it that will give you a hint what 2 flashes mean. I think it is a "no Ignition" code. If it is, with the access panel off and the door switch taped in the closed position, the furnace will try to start if the thermostat is calling. You want to look at the control module to see if it is flashing, then you should notice a small fan that pushes out the combustion products start to turn. Then if you look in a small view port, you should see an orange glow followed by a clicking noise at the gas valve. Then you should notice a blue flame in the view port. This flame must stay on for 5-6 seconds or the unit will turn it self off. If one of these do not happen, you will need a technician to troubleshoot it. Check to see if all wires and hoses are tight and in place. Make sure your condensate hoses are not blocked and free of water. Make sure there is no blockage in your vent pipe(s). 


Let us know what you found. 

Posted on Oct 12, 2007

  • 828 Answers

SOURCE: Carrier Weathermaker gas 8000 will not ignite

Your hot surface igniter may be bad. It may be cracked which would prevent it from starting the burner flame.

Posted on May 22, 2008

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SOURCE: Coleman furnace blower runs continuously

You should be seeing 120 volts to the igniter. Anything less requires either a replacement of the transformer, start relay or control module.

Posted on May 30, 2008

  • 1 Answer

SOURCE: 1993 goodman status light 4 times blinking

I have a goodman GMP075-3 that won't turn on. I think it is the pressure switch since I do not have a vent blockage. What is a venter and where can I find it??

Posted on Dec 30, 2008

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Colman gas furnace wont light

Is it natural gas or propane? If propane, make sure you are not out of gas. Does it have electronic ignition or a manual pilot? if pilot, make sure the pilot flame is still lit and the control knob is turned to the "On" position. If it has electronic ignition, shut off the power to the furnace and then turn it back on and see if resets and lights.

Feb 16, 2015 | Coleman 7990-319p Evcon Gas Furnace...

1 Answer

Our Gibson KG7TC060D24B "tries" to start, but the shuts off before ignition. Technicians have replaced the control panel and other components but the problem persists, with the furnace working for a few...

This is possible, however it is possible they are missing something simple. I hope you can follow along.
1) Is this a Sealed Combustion Furnace, meaning you cannot get to the burners even after you remove the Door Panels?

2) If yes, is this furnace vented with pvc/plastic piping?
3) If yes, do both pipes go outside?
4) If yes then try this.

1) Turn the main power off to the furnace
2) Remove the Door Panel to the burner section.
3) Turn Furnace back and turn the thermostat all the way up.
4)Look into the burner compartment and tell me if the igniter glows red. If it does and the goes out with the burners not coming on.

5) If you feel comfortable or know of someone that is.
6) Turn the furnace off, remove the panel that conceals the burner compartment.

7) Turn the furnace on, if the igniter glows red and the burners ignite. Your problem is in the venting system. Most likely the intake pipe if it goes outside. It could be plugged or something is blocking it. If the burners do not ignite the next thing to make sure that is happening is that the Exhaust blower is operating and you can feel air outside where the pipe terminates. If you it is but no very strong, then your problem could be the inducer motor or to small of vent pipe.

If you could, send me some information about how it starts up
1) Main blower may come on and shut off, make sure the blower runs in on position 1st then back to Auto position. If it does not, you have another problem.

2) The Exhaust blower should come on next
3) About 17secs. later the igniter should glow red.
4) You will here the gas valve make a click
5) The Burners will ignite
6) The flame sensor rod on the far left hand side of the burner will keep the burner lit. If it is dirty the burners will shutdown.
7)About 90secs. later the main blower will come on.

Oct 26, 2013 | Gibson KG7TC060D24B 60,000 BTU 95.1% Gas...

1 Answer

My gibson furnace is about 8yrs old and it was working fine heat was on yesterday morning but last night it stopped. Changed batteries in thermostat which in new(thermostat) but no heat. Checked the vents...

Look on the back of the bottom cover... it should tell you what the blinking means...

Here is a tip that will help you try to figure out why your furnace is not working.

Basic Furnace or Heating System Troubleshooting


Feb 03, 2011 | Gibson Heating & Cooling

1 Answer

My central heating is on lockout and the burner is with red light

A sampling of various codes on a furnace

Read one LED flash that stays on continuously to mean your furnace has no signal coming from the thermostat and will not operate. Turn the power off and check the thermostat for improper settings or connections.

Interpret one LED flash that blinks on and off to mean your furnace has locked out because it could not ignite after three tries, and must be reset. Interrupt power to your furnace for 20 seconds or lower the thermostat so your furnace does not try to heat, then reset the thermostat to the previous setting. After one hour of lockout, your furnace will automatically reset itself and try to operate as usual.

Decipher two LED flashes to mean the draft blower is not working, or your furnace has a short in the pressure switch circuit. Turn off the furnace power and repair a short or replace the pressure switch.

Read three LED flashes to mean your furnace has an open pressure switch circuit or it has an induced draft blower operating. Check the pressure switch hose of your furnace for blocks or an improper connection. Also, look for blockages in the flue, and tighten any loose wiring.

Translate four LED flashes to mean your furnace has a primary limit circuit open, possibly from loose wiring or blocked filters. Check and clean filters, tighten wiring and check the flue for blockages.

Interpret five LED flashes to mean your Goodman furnace senses a flame without a call for heat. This could be from a gas valve closing slowly or a burner flame lingering.

Read seven LED flashes as a warning of a low flame sense microamp signal. This could happen with a coated flame sensor or a lazy flame from poor gas pressure. Turn off the power and adjust the gas pressure according to the information on the rating plate.

See eight LED flashes as meaning an igniter circuit problem due to a bad igniter or an igniter connected improperly. Replace the bad igniter or check the ground wiring, making necessary corrections.

Decipher nine LED flashes to mean the high-stage pressure switch circuit will not close during a high-stage-induced draft blower operation. Your furnace may have a pinched or blocked pressure switch hose, a blocked flue or loose wiring.

Read continuous flashing on the LED to mean your furnace has a reversed polarity of 115 volts. Turn off the power and correct the wiring polarity after reviewing the wiring diagram.

Dec 02, 2010 | Heating & Cooling

1 Answer

I have an Evcon hot surface ignition furnace and can not get the heat to come on .I set my thermostat on desired temp and starts running,but the blower wont come on,on auto I have to switch to the on...

Troubleshooting and Repair
Furnaces with electronic ignition systems may be much more efficient than their early counterparts, but they do it largely through electronics. However, there are still some troubleshooting you can do but fixing the problems can involve replacement of parts more so than repair or adjustment. PROBLEM: Furnace burner will not ignite
Possible Solution
  • With a Hot Surface Ignition (HSI) system, if a gas hissing sound is heard for about 7-10 seconds and the burners do not ignite, the furnace will go into lockout mode.
  • To reset turn the furnace power switch off and back on and try again. The switch is probably located on the side of the furnace. A reset button may also be found on the solid state controller. If resetting fails again, proceed as follows.
  • Turn off power and gas to the furnace
  • Remove and check hot surface igniter being careful not to touch the heat element. If it is cracked or damaged, replace the igniter.
      PROBLEM: Furnace comes on for 7-10 seconds then turns off Possible Solution:
      • Turn off power and gas to the furnace
      • Remove flame sensor from its bracket. Lightly clean the surface with fine emery cloth and replace.
      • The problem may also lie in a bad ground or the the black and white wires being reversed (reversed polarity) at the junction box or outlet powering the furnace.
      • The electronic ignition control module must ensure current flow through the flame sensor to ground and if the polarity is reversed in the circuit there is no voltage potential and the flame sensor does not work and closes the gas valve.
      • If the black and white wires are connected correctly and the flame still drops out, then the issue may be a bad ground. Using a volt-ohm meter, measure between the white wire and the ground wire to be sure you have no voltage.

Nov 01, 2010 | Heating & Cooling

1 Answer

Install automatic ignition system for a coleman furnace

For sure turn off the power at the breaker!! Now as far as the new board, usually the new board will be a new modified replacement, the wiring will be different from the original. It is very important to follow the installation instruction that come with the new board, if you go step by step, it will be ok. Just don't be surprised when you find that the new one is not exact. It is all in the name of improvement, follow the install manuals, step by step. As a 30 year Heating and cooling tech, it was very worrisome when they started doing this, but as long as you have a board that matches the brand and model of your furnace, it will be ok.
Good Luck,
Paul Gibson

Mar 31, 2010 | Coleman Heating & Cooling

2 Answers

Coleman furnace -- fan runs, ingniter won't light,

The chances are that the furnace was running when the power went out. This will cause the high limit switch to cutout and needs to be manually reset.
You will find that switch in the blower compartment near the blower. Usually somewher near the highest point of the cabinet.
Push the little red button firmly till it clicks.
When the power goes out while the furnace is running the heat builds up because the blower shuts down immediately and causes this limit switch to cut out.
If you have a electric tester you can also follow the low voltage circuit till you find the open switch. Ther is usually a wiring schematic on the door cover of most furnaces.

I hope that this will help you to solve your problem!

Thanks for using Fixya!!


Dec 09, 2009 | Coleman Propane Forced Air Heater...

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Amana furnace main burner intermitent

Sounds like dirty flame sensor. You can either clean it orreplace it.

Apr 21, 2009 | Honeywell Power Humidifier: Furnace...

1 Answer

Coleman presidential II furnace blower on and off

Sounds like the flame sensor. But it could be the thermostat. Is the furnace standing pilot or electronic spark or hot surface ignition. I would start by checking thermostat. Turn power off to furnace take thermostat off wall and take wires marked r & w and connect them together. Turn power back on if furnace works then change out thermostat.Most eclectronic ignition Furnaces have a flam sensor, You could take flame sensor out and clean it up with steel wool or wire brush. If you need anymore help just reply back .

Jan 17, 2009 | Coleman Propane Forced Air Heater...

1 Answer

Coleman Presidential II mobile home furnace. When burner lights the blower cycles on and off instead of blowing constant through burner cycle.

Is this furnace standing pilot or electronic ignition. If standing pilot i would check furnace filter then the thermastat. To test themostat first turn power off to furnace. Take thermostat off wall and take wires labled R & W and connect them together. If you have electronic ignition I would start with cleaning the flame sensor with steel wool or wire brush.If you have and more questions i will be glad to help.

Jan 17, 2009 | Coleman Propane Forced Air Heater...

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