Question about Coleman Heating & Cooling
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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Posted on Jan 02, 2017
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