Question about Goodman Heating & Cooling
Goodman gas furnace [GMPN080-4 Rev A (1996 on info. tag)] will not start or run. LED will blink 3X.
Have checked to ensure it's getting power, have tried w/ the panel on and off and the little fuse is OK.
It's a gas furnace. I can smell a little gas, so there seems to be fuel. Setting the thermostat (or just shorting the wires near the furnace) and it does not start. No flame, no motor running, etc.
An LED light will blink (I think three times).
It's a solo unit (no AC).
A friend and I troubleshot it for awhile, it's getting power, we ruled out the thermostat (and the wire-run) by shorting the wires near the unit. We pulled out the fuse on the circuit board and it looked new.
Thanks in advance for any help!
Ok the light blinking 3 times is flashing a code. There should be a sticker located on the bottom blower compartment door inside that will tell you what the code is. You should not smell any gas so there may be a small gas leak somehwere on the connector or unit. Ok here is what should happen. When you put the thermostat in demand or jump the heat on wires the inducer motor is the first thing that should come on. The motor is what pulls the burner flames into the firebox tubes and forces the fumes up the vent pipe. If the inducer motor is not coming on then verify that the motor is getting power and spins freely & is not stuck. Motor should turn easily. There is a vcuum line that comes off the inducer motor to a vacuum switch. This switch activates when the inducer motor is on. You should have power to one side of the switch when the heat is in demand. You can try jumping the switch and see if the igniter comes on but be carfeul. If the gas burners come on and the inducer motor is not running the burner flames will back out and smother. You could do this just to verify that the inducer motor is the main problem. There are also flame roll-out sensors that are located on the unit that have a little tab to re-set them. If one of these sensors is tripped the unit will not come on. I would be interested to hear what code is flashing. It may flash twice. For example 3 times and then paues and three times again would be 33. My guess would be that the inducer motor is stuck or not getting power from the control board. Let me know what you find and I will assist you further.
Posted on Sep 26, 2009
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Posted on Jan 02, 2017
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