To do this youll have to. Take your multimeter and set it to ohms.
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How to check fan motor. The white wire is called the run wire. Locate the door switch thats pressed when the door is closed. Let the wires that run from. Take the black multimeter standard test lead and touch the white wire with it. Switch the analog volt meter from ohms to volts. How to check an electric motor if it is bad step 1.
Otherwise the motor will overheat and eventually fail. One way to check this is go to the thermostat and turn the fan setting from auto to on. Values measured in this step should be around point one or point two ohms. Hold this down and listen for the motor starting. To test the evaporator fan motor in your freezer open the door and feel for cold air. Touch and continue touching the white brown wire with the red multimeter probe.
Electric motors can be tested to see if there is a short or open condition within the motor windings which would indicate that the motor is faulty. Check the power if you suspect the fan motor is bad the first thing you should check is the power to the motor. If the fan motor doesnt start while you hold the switch its probably broken. Identify the type of motor and examine its nameplate. How to test a fan motor with a multimeter. Test the first set of wires.
The openings in the rear metal guard need to have full and free air movement. If everything is ok with the values. Fan motor indoor unit. If the blower motor doesnt turn on than that doesnt mean the motor is bad other components can cause a blower motor to stop working. Now is the time to test the white brown and white wires. Alternatively if you hear a high pitched squeal or chirp sound there may be something caught in the.
Be sure to check the most common problems that can affect table fans such as bad bearings or bearings that need to be lubricated and material that may get wrapped around the fan shaft which will prevent the motor from spinning normally. In this video i show you how you can check your ac fan motor to see if. Create a parallel circuit by placing the leads on the meter. Check the windings next check the windings of the fan motor for an open or a short. If the blower motor blows air out the vents when manually set to on then you know that the blower motor itself is good and something else such as the limit switch is causing the problem. Its possible that it is simply not getting power or that the capacitor is dead but the condenser fan motor itself is good.
How to pay off your mortgage fast using velocity banking how to pay off your mortgage in 5 7 years duration. How to test your ac fan motor step 1. The fan blades are behind metal guard on the back of the motor. Make sure it is securely fastened to the frame and is not clogged with dirt and other debris. If your freezer isnt as cold as it should be there might be a problem with your evaporator fan motor. Think wealthy with mike adams recommended.
Disconnect the wires that supply power to the motor with appropriate screwdrivers. A tefc type motor is a totally enclosed fan cooled type. How to test fan motor starting capacitors step 1. Ball bearings in motors can wear out without lubrication. Check for mechanical binding or seized bearings. Small fan motors last a long time due to few moving parts.
Gallery of How To Check Fan Motor
