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Compressor runs fine, air compresses fine, but shuts off after 10 seconds, every time. Capacitor?

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3.2K views 3 replies 2 participants last post by  stevon  
#1 ·
I got an air compressor, not sure on the model, but it does this every time....

 
#3 ·
Kakarotch,

Lets start with the basics, does the motor and compressor turn relatively easy by hand? what is the current draw at startup and when it stalls? I have seen head gasket failures cause bizzare behavior, also check valve failures. make sure check valve is not leaking, it's a maintenance part like oil or an air filter. A run capacitor could also be failing, check the run capacitor, just google how to do that. Getting the basics covered will reveal your problem

Stephen
 
#4 ·
Kakarotch,

Based on the video I see the fan blade moving after motor stops, looks like the tank pressure is bypassing the check valve. Also when the motor stops is the thermal overload tripping? I didn't hear the motor lugging down or humming when it stopped. Can it be turned on or reset with air pressure in the tank? your current draws will tell a tale, do you have an ammeter? $15 harbor freight model would suffice.

Stephen