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Russ here. Check the filters first to see if stopped up. If they are dirty the furnace may cycle on high limit. Russ
Does the fan keep blowing or does it shut down.
SO sorry about wait. Tornado in area and lost power. This a gas furnace correct. If there is no message on board and furnace operates ok. Sounds like a bad relay on board. If you can give me model number I can check the wiring diagram to make sure. Russ
Is there a sequence flash on board. Error Code
Can we talk on phone please.
Storm in area and having computer problems.
Storm is out of area. Is there a flash code on board. Russ