My air compressor locked up on me?

it was working but when i pluged it back in it locked up and now all it does is hum can you please tell me whats wrong with it? thanks shane

Bill says...

Unplug it, open the tank drain valve, and drain the system down to zero. Close the tank drain valve?

What happens, Shane?

If it starts, I would suspect that your unloader valve isn't unloading.

If it still hums (I'm assuming it was the motor humming?)then your capacitor or motor may be failing.



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