Repair of Fanuc Power Supply Units and Fanuc Input Units at DNC. Over a 15 years experience repairing Fanuc power supplies from the Fanuc system 3, 5, 6, 10, 11, 12, 0-A, 0-B, 0-C, 0-M, 0-T, 15, 16, 18, 21. Warranty is 180 days on repairs, and of course DNC are happy to offer testing on all power supplies listed on this page. If you require a quicker service than the repair service, then we would suggest either the Exchange, New replacement or used surplus available for for sending out today.