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My electric ingition (glow plug) turns just a hint orange then when the gas comes in it goes right out and there is no ingition. what could be the problem?
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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.
Because you have a gas dryer, your problem is probably caused by the ingition panel, the electrical element that you saw turn a bright orange. Generally, with a gas dryer, there is an ignition device that heats to a specific temperature and this causes the gas to ignite. When this electric ignition fails to work, the gas will not ignite and there will be no heat.his is what you described when you said the element only lit for a few seconds. I had this happen and had to call a professional. It was a simple matter of installing a new ignition device and it worked perfectly for years. I hope this helps! If it is a new dryer, check to see if this part might be covered under warranty.If this helps solve your problem, please come back to Fixya and rate my advice
It sounds like you're describing one of two things. The hot surface ignitor in a gas-fired furnace, or the resistive heat strips in an electric furnace.
The hot surface ignitor in a gas-fired furnace lights the burners. This ignitor in modern furnaces serves the same purpose as the standing pilot flame did in older furnaces. It provides the required heat to ignite the gas at the burners. Without an ignition source, a gas-fired furnace cannot provide heat. When the ignitor is activated it will glow bright orange or yellow.
The resistive heat strips in an electric furnace actually provide the heat to a home or building. When the furnace turns on, the heat strips are activated and usually glow orange when they reach peak temperature. In almost all cases, the heat strips are not easily seen or accessed without removing covers or panels inside the furnace.
I would have the ignition control board replaced. That is what tells the gas valve to come on and if there is flame or ignition it will keep the gas on if the flame sensor gives the board a signal that the burner is lite. By you shuting power off and on to the furnace it resets the board and it will go through its cycle again.
Check your conection off the board to the initor and make sure the pins in the plug are set tight with the connection on the board. If you wire nutted the wiring together for the new ignitor you installed check these connection also. Make sure all wire strands at the wire nuts are in the wire nut and not touching or arching on the furances cabinate.
Check the draft inducer air switch ( vacuum diaphragm switch) If the switch is opening when the burner starts, you might have a blockage on air piping coming into the furnace. Also prime the condensate trap on the condensate drain from the combustion fan. Also check the gas pressure, if your gas pressure is dropping, the gas pressure switch will shut it down. If it's too high the moment it comes on could raise the pressure in the furnace dropping out the combustion fan proving switch.
One flash mean ignition failure. The sequence is: T-Stats calls for heat, inducer motor comes on, igniter glows orange (look through glass), then gas comes on and burner lights, approximately 1 minute later the indoor blower comes on. If you don't see the glow, most likely the igniter is bad. If you see the glow but no flame, it's a gas problem, supply or defective valve.
Be sure that that PVC vent pipe going outside is not plugged or trapped with water. If the vent pressure switch is not tripping the furnace will not ignite. Also be sure that you don't have a gas leak somewhere causing weak gas flow to furnace.
Try cleaning the flame sensor. It is located right besides the last burner. Looks like a thick piece of wire. Take steel wool and gently remove the carbon that has built up. Should only take 4 or 5 strokes. Let me know how it goes after that. ken
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