Question about Goodman GMS90703BXA Heater

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Gas dose not come on

And there is a red blinking light on the mother board. Goodman forced air heater.

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The blinking light is giving you a trouble code for the unit. It should have a label or something inside the unit or in your owners manual to let you know what the code means. Count the number of blinks. It should repeat over and over.

Posted on Jun 06, 2010

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The blinking red light is a diagnostic LED that will help narrow the problem to specific area. You need to find the legend for this. It should be posted on the equipment somewhere in the form of a sticker, either on the doors ( check both sides ) or on the electronic control board housing. You can also look in the literature if you have it. Once you have this info it will let you know what the general reason is for not functioning properly. It may need the attention of an Hvac expert.

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