How To Test Thermostat Wires With Multimeter. C wire blue or black common for 24-volt power to the thermostat. In this HVACR Video I go over how to Test and Read Voltage to Verify if a Thermostat is Working Properly.
When the thermostat is warm it shouldnt show any continuity on the built-in screen. I can not tell where the wires connect. How to check a thermostat with a multimeterThermostat troubleshooting with a multimeterThermostat troubleshooting HoneywellThermostat not workingThermostat H.
How to check a thermostat with a multimeterThermostat troubleshooting with a multimeterThermostat troubleshooting HoneywellThermostat not workingThermostat H.
Troubleshooting your thermostat wiring voltag. The meter will indicate an open circuit by displaying OL on its Liquid Crystal Display LCD for a good thermostat that has normally open NO contacts or it will display zero 000 Ohms for a. Set the digital multimeter to the lowest resistance range. In this HVACR Video I go over how to Test and Read Voltage to Verify if a Thermostat is Working Properly.
