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Ihave a Day & Night Furnace M/N:58GS050-3 Series 301 S/N:Z33A65482. My problem is with no wiring whatsoever landed @ terminal strip fan runs @ high speed constantly.With stat wired up & a call for heat I get no spark,just fan(fan switch -auto). 24vac is present into circuit board from transformer, but drops out to 15.xx @ R & C.If I apply 24v directly to R along w/other wiring,fan stops,but after ignition main burners light,fan never runs.

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Posted on Jan 02, 2017

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SOURCE: Goodman forced air gas furnace not firing

if your power vent moter is not running you should not have have glowing ignitor.Frist the vent moter must close an air prove switch in series with the idnitor .seems you have a stuck air prove switch.Its the one with a hose attached

Posted on Apr 07, 2009

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SOURCE: power up unit and thermostat,

You have a short circuit, which is obviously dangerous. Your blower motor is controlled via a 24VAC control circuit, but is 120VAC. The circuit board and gas valve are probably history, but it needs to be troubleshot to determine the scope of the damage.If you remove T stat you will see several colored wires. The red and green wire when touched together should cause your fan blower to run. If that works when you bypass t stat the t stat is gone. The red to white will open your gas valve on your heater. The red to the yellow or blue will start your AC compressor or condenser fan motor. Be careful with the yellow and blue wires as one is actually a neutral and one goes to the AC contractor on your condenser unit contractor. Hope this helps!

Posted on Aug 02, 2011

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How do you hook up the thermostat to a Central Electric feh-017ha-04 furnace? Also, where do the A/C wires hook up to the furnace?


The standard color code for the HVAC is as follows....
Red=Hot or 24v
White=Heat
Green=Fan
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White 1=secondary heat.
Blue=Spare
Orange=Heat Pump
C=Common
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Assuming that you have 24 volts at the G terminal (or wire) at the air handler/furnace when the fan does not run, I would have to say, based on the information that I have been given, that you have a bad fan control board.

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1 Answer

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ac59074.jpg

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