How do you check a ceiling fan for wiring?

Quote from the video:
Quote from Youtube video: So go ahead turn it on 121 volts which means you have the power going into the ceiling fan. And that tells you that the ceiling fan is not working. So you'll go ahead and replace the ceiling fan off.

How do you troubleshoot a ceiling fan?

Quote from the video:
Quote from Youtube video: Light isn't working properly try tightening any loose bulbs and replacing any that are burnt out next try resetting the remote by turning off the power and removing the batteries.