Question about Goodman GMS90703BXA Heater

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GMPN 120-5 FURNACE

EVERY THING COMES ON PROPERLY. THEN RUNS FOR BOUT 20 SECS. THEN REPEATS .

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  • plumber1 Dec 10, 2007

    I just installed new goodman furnace it will go thru a short cycle then stop before igniter can come on (led) indacates polarity switch

    ?????

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If you want some help on this I will need some more info. Does the unit shut off completely? does the fan run after the burner shut off, or is off simultaneously? do you have a digital thermostat or the old type?

Posted on Dec 05, 2007

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Posted on Jan 02, 2017

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