Ceiling Fan Moving Slowly

Loose screws on any part of the ceiling fan allow parts to move independently making the whole thing wobble when the blades get up to speed.
Ceiling fan moving slowly. Our ceiling fan was not turning at full speed when selecting high speed the. When the fan slows down and stops it could. You can sometime test by reversing the motor and see if it runs faster. Check and tighten all the visible screws on your fan.
You might have a normal operating fan and just the distance from the ceiling to the blades can effect fan speed. Put plastic sheeting below the fan to avoid any oil getting on furniture or carpet and using a step ladder locate the add oil hole. 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. Start off spraying a little light oil into the hole and let the fan run for 20 minutes.
Then stop the fan and add ceiling fan oil until the reservoir overflows slightly. If it is a high efficiency fan it don t take much to slow the speed down even blades out of balance can change the fan speed. This video will give some insight into replacing the capacitor in a ceiling fan. This includes the screws holding the blades and any connections between the light and fan.
Is your fan running slow. I repaired this fan it wasn t hard there are several things that can fail in any electronic device and it s a matter of process of elimination.