Question about Goodman GMS90703BXA Heater
On the control panel, the red light is flashing 4 times. "Open high limit" what does this mean?
It means the high limit switch is staying open , it is there to keep the unit from over heating. it have went bad , it is the small square peice with two wires going to it on the heat exchanger could be black or brown
Posted on Nov 13, 2008
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Posted on Jan 02, 2017
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