Harbor Freight air compressor hums

by Jose
(Coachella,ca,US)

I got a central pneumatic air compressor from Harbor Freight and everytime I try starting it just hums and the reset button keeps tripping off. Any tips?

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Oct 08, 2016
Harbor Freight air compressor hums
by: Doug in s.d.ca

Jose -

If you just bought it, take it back.

And test the new one before you leave the store. Sometimes they get whole batches of defective product.

Oct 08, 2016
Air compressor hums
by: Bill

This compressor issue is covered in the troubleshooting pages on this site, Jose.

Please have a look, do the checks, and let us know what you found.

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