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-   -   combustion fan won't shut off (http://www.houserepairtalk.com/f8/combustion-fan-wont-shut-off-3019/)

yimmortal 10-29-2007 12:10 PM

combustion fan won't shut off
 
nordyne furnace, propane, about year 2000
no circuit board, just relays and basic stuff

when i turn on the power, the combustion fan runs constantly. won't shut off.
this blows out the pilot light

any ideas?

matthewwj 11-23-2007 09:51 AM

This could be caused by a few things, does the thermostat keep the temperature, meaning regularly turn on and off? If so, you might have some wiring issues from the thermostat i.e, a short, or improper wiring to the furnace.


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