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I have a coleman evcon model eb15a furnace. it does not work with the therostat, if you turn the main breakers on the fan and one elament come on the fan auto/continuious run switch doest work either any know whats causing this

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  • carl Mar 16, 2011

    Thank u that is what i thought but was unsure because jumping red and white does nothing as the fan and one el are aready on- stuck on wont shut down



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Hello, have you tried jumping the R and W wires on the thermostat sub base? If this turns on you furnace than the thermostat is bad, however if there is no display on the thermostat and does not power up by jumping the R and W Wires then most likely the transformer is bad and must be replaced.

Posted on Mar 16, 2011


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