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Robert, that is a typical indication of the furnace cycling on its high temperature switch. Look for a dirty filter, return air blockage or any other thing that would cause air flow restriction across the heat exchanger. If nothing else is evident, possibly attempt changing the heating speed to medium low or medium high for heat to improve air flow. But if it worked with no changes prior to this problem, it has to be lack of air flow that is causing the issue.
Fuses will blow if there is an overload. Breakers only trip if there is a short to ground. Since you replaced the fuse and it blew and tripped the breaker , I would check for a wire problem. Also check the elements that rodents haven't built nests ect...
Main blower? The white wire goes to neutral. Two brown wires go to the capacitor. All other wires are your speeds. Red is low, normally not connected. Black is high, that should plug into "cool" on the board. Your other one or two colors, EITHER of those can go to the "heat" terminal. Tape off your remaining wire, if you have one.
Amana distinctions furnace is the top quality furnace and I would you recommend to get professional technician help for that. You may call in Toronto at 905 201-1293, Clean Air Heat is there to help you out.
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
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.