With a multimeter set to low ohms usually 200 test between each winding terminal and the metal casing of the motor. Check for mechanical binding or seized.
How To Easily Locate The Different Speed Wires Of Fan Motor
How to test a 3 speed fan motor. White wire has a high speed label. Small fan motors last a long time due to few moving parts. Reverse the leads on the capacitor. Identify the type of motor and examine its nameplate information. Place the leads of the ohm meter on the wires that run from the capacitor to the motor. If the fan motor does not turn on while you hold the switch the motor is probably bad.
Switch the volt meter to the ohm setting. The white wire is called the run wire. If it turns on you should be able to clearly hear the electric motor activate and then a low hum from the fan spinning. Hope someone can enlighten me on the. Take your multimeter and set it to ohms. If there is any reading on any of these then the motor is bad do not use it.
The freezer light should turn off and the evaporator fan should kick on after a few seconds. The type of. The electric motor is a bm 122 decomin brand 3 speed motor. There are 6 wires. Something was wrong with the solid state circuitry everything worked but the motor but a quick test of the motor indicated it does work. How to check an electric motor if it is bad.
Now is the time to test the white brown and white wires. Ball bearings in motors can wear out without lubrication. This fan has an oscillating grill with independent sync motor and timer circuit. I have no knowledge about motors. There are 4 wires connected to the motor coloured white yellow blue and black respectively. Sounds like you have a winding down to ground.
This is the schematic from the manual of the fan which i salvage this motor from. The motor has a 4mu 250volt capacitor. Yellow has a medium speed label and blue has a low speed label. Do the following with the motor disconnected. I have a bionaire brand table electric fan. The motor uses.
Test the first set of wires. Press and hold the switch for a minute. Count to three while the leads on the meter charge the capacitor. It has a 3 speed fan motor.
Gallery of How To Test A 3 Speed Fan Motor
