Question about Goodman GMS90703BXA Heater
You could have a limit switch that opened. On the reverse side of the furnace access panel there will be a diagnostic chart indicating what 4 flashes indicate. If it is an open circuit, why is it open? Did the unit get too hot and why? Unless you have the diagnostic capabilities, call a professional.
Posted on Jan 04, 2008
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Posted on Jan 02, 2017
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