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We have an Amana 80SSE Furnace. The furnace came on by itself when the thermostat was turned off. It was blowing cool air and the blower would not turn off. We had to turn it off manually at the switch. We do not have a manual in order to troubleshoot the diagnostic error: 1-flash: system lockout (retries/recycles exceeded).
LED was blinking 3 times. Vacuumed blower area. Cleared clogged nipple supporting pressure switch. LED then blinking 4 times. Now blinking once (lockout mode.)
LED was blinking 3 times. Vacuumed blower area. Cleared clogged nipple supporting pressure switch. LED then blinking 4 times. Now blinking once (lockout mode.)
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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!
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https://www.youtube.com/watch?v=pJzP1jzYPqg AUTO ensures that the blower will run only when the furnace heats the air. Your furnace may be blowing cold air because the filter is too dirty. A dirty air filter blocks airflow over the furnace's heat exchanger, causing it to overheat. ... Do this: Turn off your furnace at the thermostat, and check the furnace filter.
https://www.coolray.com/help-guides/how-to-troubleshoot-a-furnace-blowing-cold-air
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.
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.
Hello, the blower will run continues if
1) the limit switch has tripped
2) the relay on the intergrated control board is stuck
Try tapping on the control board and let me know if it shuts down.
Depending on the age of the furnace you may be able to adjust the cool down. On some furnaces there is a silver box usually made by honeywell. This is your fan limit control. If you take the cover off you will see a dial with different temperature settings with 3 pins in a grove. The first one is fan on with temperature rise this turns the blower on when the furnace starts and warms up. The second is the fan off after furnace shuts down, this would be the one you want to adjust to a higher temperature to keep the blower from blowing cold air. The last pin is the high limit if the furnace gets to this temperature it will shut the furnace off but keep the blower running. Make sure that the thermostat fan option is set to auto and not on.
thats going to be a gas valve issue. either their is no gas to the valve or its not letting it go through. and you also need to make sure the exhaust fan is running too.
LED was blinking 3 times. Vacuumed blower area. Cleared clogged nipple supporting pressure switch. LED then blinking 4 times. Now blinking once (lockout mode.)
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