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I have a Goodman gks90703bxae gas heater. When I turn it on it runs fine heats the house the blower shuts off but then the induced draft blower stays on so the heater will not heat the next time it is supposed to I checked the flue and the drains and they are fine and it throws a code that says I need a new pressure switch but it also says that my induced blower should not be running and it is can't figure it out hope you can help thanks

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Hi!!
The ID Blower pressure switch may be stuck closed, and keeps the ID blower running. Replace the switch. Click on the following link for a Parts Manual for your unit to Identify the part # and order it. http://www.alpinehomeair.com/related/RP-410F%20GKS9%20Parts%20Manual.pdf
Good Luck!! Thank you for using FixYa

Posted on Oct 07, 2010

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Posted on Jan 02, 2017

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I have a Goodman GMS9 furnace. When the furnace starts the induction fan runs for about 15 seconds, the ignitor turns on but thats as far as it goes. The burners do not light and I don't think the gas...


The igniter heats a thermocouple to turn on the gas valve. From your description, the thermocouple may have failed. The noisy stack blower probably needs to be replaced but its controller may be in need of replacement as well.

Nov 01, 2013 | Goodman GMS90703BXA Heater

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Draft Inducer problem


On the call for heat from the thermostat the inducer should come on first, a pressure switch proves that the inducer is moving enough air up the stack, closes and energizes the ignition and burners come on. 30 to 60 seconds later the blower comes on. Everything should stay on as long as the thermostat is still calling for heat. When the thermostat is satisfied the burner and inducer shut off and the fan will run to remove the heat from the heat exchanger and then shut off. Cycle complete. Some inducers have a post purge so when the thermostat is satisfied the burner shuts off, the inducer runs for 30 seconds or so and then shuts off. I am thinking that your furnace may be running on the limit switch and when the burner is off but the inducer stays on, maybe the limit is shutting of the inducer. Check your air filter and make sure all your heat registers are open and that the return air grill is not blocked.

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I have a downdraft Goodman furnace. On only some occasions the blower will start, then after a few seconds I will see the igniter light up, but then I do not get the rush of gas and lighting of the...


It sounds like you got a tough one there.When you say the blower starts up and then the igniter comes on are you refering to induced draft motor or main blower. The proper sequence is for the thermostat to call for heat at which point the induced draft motor should come on and run for 30-45 seconds,then the igniter should heat up for a few seconds then gas valve should open and main burner should light. After limit switch reaches set point for fan on ,blower should come on till after heat has reached thermostat setting then burner should go out, and blower run until fan off setting is reached on limit switch. If your furnace is not following this sequence and then not always doing the same thing in the same order,I would recommend that you change out board again. I have had several problems similar to this with Goodman units and all but one time installing new board solved it. That time I did everything I knew to do and talked to factory service techs repeatedly and finally installed new furnace. As far as your question about insulation,. As long as it is fire proof I can't see where it would hurt anything. Sorry I'm not more help. Good luck and thanks.

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Nov 02, 2010 | Goodman Heating & Cooling

1 Answer

Please help! Our draft inducer on our gas water


You are OKAY!!!
If the inducer connot run the gas valve will not turn on.
You will be fine till morning the way you are.
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Heatman101

Jan 20, 2010 | Fasco GSW Hot Water Heater Exhaust Draft...

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My gas goodman heater will not ignite.


It is probably not the glow coil, if this is a 80% regular
furnace, Make sure the induced draft blower is working. I once went to a house where I came across
this problem, the only difference is that it would acutually start and then shut off. I took the vent apart
at the furnace and found a bird that was preety cooked.

If this is a90% High Eff. furnace, make sure the pvc
vents are not plugged. To troubleshoot the intake
Vent. Remove the combustion plate and then turn
the unit on, if it runs you have a problem with the
intake vent.

You could temp. remove the exhaust vent and then turn on the power if it runs then your exhaust vent
is probably plugged. You could go outside and make sure the vents are free.

Make sure you have gas available, these are the most commom issues that could solve your problem

Jan 14, 2010 | Goodman GMS90703BXA Heater

2 Answers

Furnace won't stay running


1
1 FLASH
Furnace fails to operate.
• Integrated control module
diagnostic LED is
flashing ONE (1) flash.
• Furnace lockout due
to an excessive
number of ignition
“retries” (3 total)1.
• Failure to establish flame.
Cause may be no gas to
burners, front cover
pressure switch stuck open,
bad igniter or igniter
alignment, improper orifices,
or coated/oxidized or
improperly connected flame
sensor.
• Loss of flame after establishment.
Cause may be
interrupted gas supply, lazy
burner flames (improper gas
pressure or restriction in flue
and/or combustion air
piping), front cover pressure
switch opening, or improper
induced draft blower
performance.
• Locate and correct gas
interruption.
• Check front cover
pressure switch
operation (hose, wiring,
contact operation).
Correct if necessary.
• Replace or realign
igniter.
• Check flame sense
signal. Sand sensor if
coated and/or oxidized.
• Check flue piping for
blockage, proper
length, elbows, and
termination.
• Verify proper induced
draft blower performance.

Nov 23, 2008 | Goodman GMS90703BXA Heater

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