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Phil
Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 5648
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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Blower continues to run and blow cold air until you unplug

Customer Question

blower continues to run and blow cold air until you unplug the unit, blower blew the entire night.
JA: Did you double-check the thermostat's settings? And what about the filters?
Customer: filter was replaced prior to turning heater on and thermostat is fine
JA: Do you plan on doing the work yourself?
Customer: brother in-law will
JA: Anything else we should know to help you best?
Customer: can I plug the unit back in and try it again?
Submitted: 16 days ago.
Category: HVAC
Expert:  Rick replied 16 days ago.

Welcome to Just Answer, my name is ***** ***** I will do my best to help you with your issue. If my initial response doesn’t answer your question then let me know and we can continue our conversation.

You can plug the unit back in to try again. Cycling the power like this will reset the unit but if you have an open limit error, which will make the blower run and blow cold air, a reset won't usually work. If you still need help I need the brand and model number of your unit.