I have this same problem. Slides worked fine, but was getting 9 flashes. Halfprice (Jerry) told me that he had discovered the same reset and it cleared up his problem. It also worked for me.
However, for me, the flashing comes back when I've turned off coach power with the Use/Store switch. When I put it back to Use the flashing led comes back. Looks like the controller doesn't like having power turned off. Resetting the controller stops the flashing and I've never had a problem with the slides not working. However, after power is restored to the controller, I've found that I have to move the slides in again (hold the retract button down and the slide moves less than 1/2") in order to get the extend button to work. Looks like another artifact of power cycling the controllers.
I have it on my list to call Lippert about this behavior, but the ACE is down for its long winter's nap now so I'm not in a big hurry.
Rick
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