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Hank F.
Hank F., Technician
Category: Small Engine
Satisfied Customers: 15186
Experience:  Certified on Onan and Generac generators
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Well, my Yamaha 4600 gen runs great, but when I measure the

Customer Question

Well, my Yamaha 4600 gen runs great, but when I measure the output at the 120 socket, it reads 1.9 volts. the 220 reads 3.7 (the additional line to the 220 reads 1.7 volts). How can that be?
Submitted: 2 years ago.
Category: Small Engine
Customer: replied 2 years ago.
I measured the actual lines behind the face plate. I understand the 2 110 lines make the 220, thus the 1.91 and 1.78 mean 3.7volts for the 220.
Customer: replied 2 years ago.
Have to get ready for work... but I'll keep my eye on this page. ;-)
Expert:  Hank F. replied 2 years ago.

The most common cause of this on that unit is a bad capacitor.

You need to take the capacitor out and have it tested.