Our ceiling fan was not turning at full speed when selecting high speed the.
Ceiling fan moving slowly.
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.
Then stop the fan and add ceiling fan oil until the reservoir overflows slightly.
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.
You can sometime test by reversing the motor and see if it runs faster.
This will normally be sae 15 or sae 10 oil.
Start off spraying a little light oil into the hole and let the fan run for 20 minutes.
Watch this video as this will help you troubleshoot and repair it under 10.
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.
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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.
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.
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.