View Single Post
Old 09-26-2018, 05:24 PM   #47
bobxyz
Board Member
 
bobxyz's Avatar
 
Join Date: Aug 2014
Location: Boulder, Colorado
Default

It's simply a coil of wire around an iron core plus a magnet. Measure the resistance when unplugged and compare to specs. If it's open circuit, it's bad. Much lower than spec resistance means that the coil is partially shorted.
bobxyz is offline   Reply With Quote