If you're using a cnc cold air gun, then you've probably noticed that it isn't working properly. The problem may be that the motor is not turning on at all and you have to buy a new motor. This is an easy fix if you follow the steps below
Step 1 - Remove the motor from the controlle
Step 2 - Inspect for damag
Step 3 - Replace the motor if necessar
Step 4 - Reassemble and test your machine
cnc cold air gun not turning on in mach3