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Amana 88 SSE Air Command Gas Furnace Model GUICO9OFA50 Light blinks three times says pressure switch stuck open. I would like to know if I can fix the problem or replace a part. I was't able to jump it at the furnace. I have some training in HVAC but I don't have a manual on my equipment.

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5 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

huuum
  • 750 Answers

SOURCE: Amana Air Command 80, 20

Hello Bob,
Welcome to fixya,

You said, Amana Air Command 80, 20 years old.
Electronic ignition.
Furnace does not start.
Good power to furnace.
Thermostat properly set.
Where do I start looking?

Sounds like you possibly have one or more bad jets if the unit is a gas furnace!
Let me know how it goes.
Huuum

WOW, listen to this story!
I understand you are looking for the solution to fix your furnace your self.
But I want to tell you my story about my smart wife and our furnace.
When we moved into this house the furnace was 20 years old and she suggested that we put a new one that it will save us money.
I laughed at her and replied if it's not broken why fix it!
Six years later it finally broke down and I replaced the whole furnace and central air unit with a new one.
Our utility bill went down $100 dollars a month!
That's $7200. that I lost over 6 years due to not respecting my wife's power of reasoning!
If you can afford it or can get financing replace any unit 20 years old and it will pay for it self.
Can you imaging $1200. a year for 20 years is $24,000 dollars I'm saving with a new and efficient unit.
Do the math!!!!!!!!!

Thank You,
Huuum, Hope I gave you some good fatherly advice.
Please remember to leave a rating


Posted on Oct 13, 2008

  • 85 Answers

SOURCE: my amana 80 sse furnace

Turn off breaker. Turn it back on. If furnace is completely dead still, change your transformer. It's cheap..

Posted on Dec 11, 2008

tborn6
  • 700 Answers

SOURCE: furnace manual

here's the link for your problem and I hope that it helpshttp://johnstonesupply9.com/TechDocs/Amana/Gas%20Furnaces/GCIC%20Gas%20Furnace/GUIC%20GCIC%20TECH%20INFO.pdf Thanks for unis FixYa!

Posted on Dec 23, 2008

  • 34217 Answers

SOURCE: My furnace model dgaa056bdtb is blowing cold air I've had it on for an hour and it's still blowing cold air and we've been without the furnace for a while using heaters and oven but it's still cold

Something is preventing the burner from firing.

Posted on Jan 08, 2017

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1 Blink - Ignition failure. Check Gas flow, gas pressure, gas valve, flame sensor.
2 Blinks - Closed pressure switch. Check pressure switch (stuck in closed position).
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