Working on a number of issues with my Fun-Fest. First and most obvious, when score points for a free game, no knocker sound and credit wheel doesn't move. Looked on line for a picture of the inside of an FF back box and couldn't find one. Looking for confirmation that the picture I am showing is of the credit unit, which obviously doesn't work due to the missing coil and bracket. Also, not sure where the end of the hanging spring should connect when attached. Is there a post missing lower on the unit for the spring connection? Looked at pics on pinside of other Williams replay / credit units but wasn't certain. Thanks for any help.

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Thanks for all replies: Should have looked closer. Thought credit reel was being controlled by the stepper in the pic. Rookie mistake. So, connected spring to correct hook. Also, checked the extra ball / replay adjustment and it was set for extra ball. Changed it back and with the spring back on the stepper a number of play field problems went away. Will have to check the free game point adjustment, because only awards 1 game at 41,000 points. Ran it to over 100,000 twice to be sure. Will start a new post if I can't solve that on my own. Thanks again.

Settings and card. Haven’t reviewed yet, just took quick pics on way out of the house today. Does this look right?

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. This set-up also awarded free games at the set intervals when set to "Replay". Hope this helps.

Thanks. Made the change this morning before work. With my settings matching yours, no free games at up to 100k points. Will dig deeper into problem this weekend.

Found the problem tonight. Sticky credit unit. The wheel moves freely, but the control arms connected to the coils were sticky. Some cleaning helped. Adds 1 credit at a time now, but deducts 2 or 3 at a time. More work on it over the weekend coming up.

Finally solved the last credit problem. After a bit of trial and error, unwound the reel spring two winds, and it works perfectly. Still resets to blank, but adds and deducts credits one at a time. Thanks for all the help. One problem left, but will start a new post on that one.