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How to Test a Thermostat with a Multimeter!
In this HVACR Video, I go over how to Test and Read Voltage to Verify if a Thermostat is Working Properly. I use a Multimeter in order to read each 24v signal at the control board. I go over the thermostat color code and terminal functions as well as how the thermostat works in order to show how to diagnose the thermostat.
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