I have not tested or tried to troubleshoot the unit. The units are located in Mentor, OH. Thank you for your business! This item is in the category "Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Hydraulic Pumps".The seller is "kintrikent" and is located in this country: US. This item can be shipped to United States.