Something has failed and the blower is kicking on as a default, most likely.
Why does the flame stay on when a furnace is off?
What does it mean when the light goes out then a flash?
How do you know when your circuit board on a forced air HVAC unit is defective?
The blower will run, but no burners come on?
Can getting a new roof make the furnace not start?
Why does my thermostat read RECOVERY every so often?
Copyright © 2018 HubPages Inc. and respective owners. Other product and company names shown may be trademarks of their respective owners. HubPages® is a registered Service Mark of HubPages, Inc. HubPages and Hubbers (authors) may earn revenue on this page based on affiliate relationships and advertisements with partners including Amazon, Google, and others.
Copyright © 2018 HubPages Inc. and respective owners.