Question about Goodman GMS90703BXA Heater

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Goodman gmnt100-4 blows all the time

Started about a month ago with the central air.the blower would run continuosly and the condenser would cycle like it was supposed to.now that I need to turn on the heat the blower runs but that is it.I've ran thru the schematic and tested all the wires.All the n.c switches are in the n.c. position and the n.o. are all in the n.o. positions.There are five relays on the board but none of them are stuck.(the blower relay I can watch cycle on when power is applied) Am I looking at a bad board or is there something else I can try????

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  • poormanof6 Oct 30, 2008

    This is a repost for my question.Can anyone tell me where these resets might be???I pulled the blower motor out and saw nothing.

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Is it a gas furnace? have you checked your filters? when the blower runs continuosly apon start up most of the time it is a limit tripped. Goodman puts 2 manual reset on the side of the blower motor hard to get at , but 1 may be tripped, i have been on 7 service calls and all the same problem filter plugged and limit tripped.

Posted on Oct 28, 2008

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