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Thermostat Blank Not Working- Simple Diagnosis!
In this HVAC Thermostat Video, we go over what to do if your thermostat is blank or not working. We cover how the thermostat works, the color code, what to look for, simple diagnosis of possible condensate float switch problems, voltages, low voltage fuses, 24v safety sensor wires, and anything else stopping the voltages from turning on your furnace or air conditioning unit. This is basic troubleshooting of a low voltage tsat, wiring, and controls for ACs and Furnaces.
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