It could also be due to the termal cut off fuse or the electric motor itself uncommon.
Electric floor fan wont spin.
A simple fix for your fan that doesn t start.
A single phasing motor wouldn t rotate at all under electric power.
For a complete repair analysis video watch this.
To solve most problems with an electric fan disassemble the fan lubricate the central pin and bearings and clean out the vent and motor case.
Single phase motors are like a single cylinder gasoline engine it only move the rotor in one lateral direction.
It is not uncommon for this to occur.
While it may be a matter of a simple cleaning and lubrication it can also be a sign that your fan motor is wearing out or the fan blade bearings are ruined in either of those cases.
Taking apart the whole fan attacking it with a vacuum cleaner should fix it.
Whether the blades aren t spinning or the fan is making tons of noise most issues with an electric fan are caused by poor lubrication or blockages in the vents.
The capacitor on an electric fan is called a run capacitor as opposed to a start capacitor that gives the needed extra torque for some motors to start.
It allows you to circulate air and feel cooler when the temperatures rise and you can often save money on your electricity bills when you use your fan instead of turning on your air conditioner on warm but not yet stifling days.
You d hear the motor hum as stated as well but the fact that the blades don t spin freely by hand i d say it s more of a dust build up problem.
You can even use a floor or table fan on a low setting to help circulate heat in the winter time a.
Standing fan won t spin.
The motor and compressor turn free by hand.
Often the fan was working fine the last time you used it and this time when you turned it on the fan blades won t move.
The motor has what looks like two capacitors setting on the top of the motor.
A great floor fan is an invaluable asset in your home.
The run capacitor stores charge and delays.
You are likely talking about a single phase electric motor driven fan.
If the load fan is already rotating then this hit increases.
Guide to electric motor problems and motor capacitors electric question.