The dolphin commander just stopped working. I checked the fuse in the back of the power unit and it was blown. Replaced a couple of times and as soon as you turn it on the fuse blows. I put a 10 amp fuse in and the power unit stays on but the cleaner does not power up. ADMIN REPLY: The fuse is blowing because of a dead short. Over-riding with a bigger fuse will only destroy more components.