Quote Originally Posted by Web Goblin View Post
Look like thats the problem then if the fuses are intact. The only real way to prove it though is by getting some new ones and plugging them in. Both ICs you have linked to look the same so take your pick of what you want. RS might be a bit more expensive but you should get them a lot quicker. You might want to get a few spares as well.
I pulled the Z axis IC and put it in the X axis slot, powered up, and no blown fuses. So great. I have bought 4 from Ebay as RS wont ship to France, and the RS in France is Twice the price plus tax plus delivery.