Question about Omega Trane Furnace Draft Inducer Blower 115 Volt Variable Speed Fasco # A190

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When turning on heat after a period of using air

When turning on heat after a period of using the air conditioning mode, you can hear the furnace going on but the blower does not kick on. You can turn the fan on, but no heat comes from registers. If you can get it to turn on once, usually you don't have any further problems until the next time it's been off for a period of time. The furnace is a Trane gas furnace.

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It sounds like the fan limiter switch is going bad. This switch waits until the air temp is high enough for heating the house before allowing the fan/blower to come on. There is another switch that shuts off the blower when the air drops to a certain temp, or it may be the same switch that does both jobs. Hope this helps.

Posted on May 09, 2010

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Posted on Jan 02, 2017

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