Question about Goodman GMS90703BXA Heater
When the main blower comes on it tries to blow the flame out which causes the rollout switch to kick out could there be a bracket sealing the heatexchanger loose letting the air in the heat exchanger
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Posted on Jan 02, 2017
do not adjust your gas pressure without an manometer or if you dont know what you are doing could be very dangerous. Roll out switches are manual reset if you have an open roll out on a Goodman furnace you probably have a cracked heatexchanger, get a qualified technician out there asap
Posted on Oct 07, 2009
Testimonial: "thanks for answering my question.your not the only one who told me that i was needing more than one persons opinion"
The board is bad. The unit thinks a flame is present, so it tells the blower to come on. Replace the board.
Posted on Oct 08, 2009
may have plugged heat exchanger and or just very rusted burners pull off ventor box and make sure heat exchanger is clean remove burners and clean
Posted on Oct 17, 2009
It may help if you increased the blower speed. It sounds like you have a restriction in either the return air duct or in the heat exchanger. Does it help to open the blower door panel. If so, you have confirmed a restriction. How do the burners look? Are they good and blue or yellow? Are the correct orifices being used for the type of gas? I know I am asking more questions than you, but it may help us with the answers. Good luck to you Wade.
Posted on Jan 31, 2010
SOURCE: I have a goodman gpmn
Hello, looks like you limit switch keeps opening because your furnace is overheating, Check your air filter and blower wheel to make sure it is not dirty and make sure you blower motor is moving at the proper speeed. Usually when air flow is cutoff the limit switch will open.
Posted on Feb 15, 2011
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