Question about Honeywell Electronic Programmable Heat/Cool Thermostat - CT3300A100 Heater
With the system set on cool, the fan on auto, and the cool on, the a/c will not come on. There is heat coming from the vents.
Heat/cool wires crossed. RC- is red cool make sure the batteries are good and room temp is higher than cool setting. good luck
Posted on Jun 01, 2009
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Posted on Jan 02, 2017
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