How To Test A Attic Fan Motor

Switch the analog volt meter from ohms to volts. Once done test that the motor still works by. How to test an attic fan motor.

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It can sometimes be very confusing to test fan motors for people who don t have much experience.

How to test a attic fan motor.

Disconnect the wires that supply power to the motor with appropriate screwdrivers. If either of these conditions exists the fan motor needs to be replaced. Turn the attic fan off and unplug the motor from the thermostat. Step 3 test the connection between the thermostat and the power source.

Step 2 test the thermostat. As you probably know fan motors can be designed for several different purposes most common of these are single phase motors. Create a parallel circuit by placing the leads on. How to test fan motor starting capacitors.

Step 1 test the fan motor. A reading of zero means the fan motor winding is likely shorted and causing the breaker to trip or blow. Look for a resistance reading. An infinite reading on the other hand may indicate an open motor winding.

This guide will hopefully make testing fan motors for you easy regardless of your experience level or type of fan motor that you are testing. Let the wires that run from the capacitor to the motor.