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I have a new customer with a Briggs and Stratton 12kw generator that doesn't transfer to gen power. I am guessing its the control board within the transfer switch. You can transfer manually and it will carry the load. The gen transfer coil ohms out the same as the utility coil and it will transfer back to utility on its own like its supposed to. There doesn't seem to be any 120v output to the coil, although if you transfer it manually, eventually it seems to pull in. Its a Cutler Hammer transfer switch. CHGEN100ATSR and I can't find any documentation on their site.

https://i1176.photobucket.com/albums/...3/P1010067.jpg

https://i1176.photobucket.com/albums/...3/P1010064.jpg

I can get generac stuff, but haven't figured out where to get Briggs and Stratton stuff. I ordered up one of their repair manuals for this generator but don't know if it includes anything on the transfer switch. Once I know for sure what the problem is, where am I going to get the parts BS or CH?