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rczapf
@cox.net

rczapf to HarryH3

Anon

to HarryH3

Re: [HVAC] Goodman GMT furnace gremlin

Awesome! Thanks. I'll report back if and when I discover something.
rczapf

rczapf

Anon

After devoting an entire day to "honey do" crap, I was able to put together a troubleshooting process that pointed toward a second faulty thermostat. Who would guess that you would run into two bad ones in a row? Bought a cheapo Hornywell and all is well. Bottom line involved the led going off a few minutes after a heat cycle. No fault code. Just gone. Immediately turning the thermostat off after a heat cycle allowed the led to stay on but, allowing the thermostat to remain in the heat mode caused the led to go out after about 5 minutes post cycle. Remove thermostst. Insert new one (again). Am I correct in thinking a possible "anticipator" gremlin was cavorting about?
Thanks to all for your help.