Question about Goodman GMS90703BXA Heater
The Thermostat is new, honeywell, dial style. All was working until recently. Now we have to turn the thermostat down to below showing temp, (62) listen for click. then turn it back up until it clicks again. The furnace goes on after 2 or 3 tries and only stays on for about 20-30 minutes. Goes for hours before it will try to restart then it fails several times. LED like does not send a specific signal, it just keeps flashing on and off.
What LED are you talking about that keeps flashing?
If it's the LED on the controller board in the furnace, they blink with a cadence that you need to watch. There will be a data sheet somewhere on the furnace that will tell you what the cadence (flash cadence) is.
Replay back and I can help you more.
Posted on Jan 30, 2009
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Posted on Jan 02, 2017
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