Ceiling Fan Slows Down Then Speeds Up

This video will give some insight into replacing the capacitor in a ceiling fan.

Ceiling fan slows down then speeds up.

I have a new 4 months monte carlo 24 ceiling fan and want to slow down the slowest speed. If not just open the fan and clean the bearing with a wet tissue then let it dry. Most are not designed for dimmers and in addition to producing a humming noise the dimmer switch can burn out the motor. What happens is the 12vdc fan is connected to a thermal switch that will run the fan motor faster when the machine is hot and then slow it down when the machine cools.

Don t hook up ceiling fans to dimmer switches. Is it the motor or the motor 3 speed switch. Remove the blades of the ceiling fan if they are removable. I have put oil on the bearing ends on both sides of the motor.

Ceiling fans that operate at speeds slower than normal can have one of four problems. Watch this video as this will help you troubleshoot and repair it under 10. Loss of bearing lubrication and poor blade balance. 1 2 are attached to a cbb61 capacitor.

This in on an old window fan. The process is simple and quick. Ceiling vans have very little torque and almost any problem may cause the fan to run slowly. There have been occasions however when a fan goes from fast to slow and then slows all the way to a dead stop.

It runs at full speed for a little then slows way down then speeds up again this repeat constantly without a pattern. Ceiling fan speed problem. Sometimes this solves the problem. The other two are electrical.

At first the slowdown may not be noticeable but as the fan gradually gets more sluggish you can feel the. Many complaints involve a humming. Either a bad capacitor or damaged winding. If i wire the old switch into the power line to the new fan will that slow it down without blowing things up.

Ceiling fan speed problem the torque to drive the motor of your electric fan comes from the magnetic field induced in the motor coils when electricity passes through the coils. It fit perfectly in my window so i don t want to get rid of it. Our ceiling fan was not turning at full speed when selecting high speed the. However if your ceiling fan has already started to slow down you can fix it just by cleaning its bearing.

Turn a ceiling fan that hums at a slow speed to high speed and then turn it back to slow. It has 4 wires marked l load 1 2 3. The fans have been a problem with the unix pc in a lot of cases. Is your fan running slow.