I have the Aerosmith Pro machine, less than one week old, and having some issues with the Toybox. After loading the toybox to start toybox multi ball the toybox itself starts shaking and then opens up, barely, and then closes without letting any of the balls out. After a good 7-10 seconds the box opens up and starts the multi ball mode but once those three are gone, they are done....no others shoot onto the playfield. This is happening what seems to be 50% of the time. The machine was purchased BNIB, all connections under the table have been checked and re-checked. The toybox doesn't have any problem opening at all during any other part of the gameplay except when it's loaded for multiball.

Anyone else have this issues going on or heard of it? Could this possible be a software issues or am I looking at something deeper? All appreciated.

It's super annoying. Seems to me that it happens the first 3-4 games I play in the morning when I turn the actual machine on. I'm hoping that it goes away over time. The toybox itself opens and closes just fine throughout the entire game except when I have that bad boy loaded up and ready for the mulitball to start.....I'm trying to score some points!!!

A little update in the tech thread. I've been hammering the Walk This Way Thread. Stern is shipping me, I should have it tomorrow, a plunger cap for the inside of the toybox. They are hoping that might help solve the problem. I'll hit the thread with an update as soon as I have more information. Below is a couple youtube videos of what I've got going on.

https://www.youtube.com/channel/UC-Ko9Jo4FJfR8VlfzV5P4Jg

This is what Stern sent me today. I’ll be replacing this tomorrow and taking videos of my results. Thanks everyone for the replies. I’ll get to the bottom of it with everyone’s helps. Cheers!

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It wasn’t what I was expecting to arrive either. I will get it tossed on tomorrow afternoon and hopefully have some good news. If not, back to the drawing board with Chas at Stern.

Installed the new plunger stop for toybox lid coil today, haven't had a single issue with the toybox opening for multiball since. Usually 50% of the time I was having failure to open for multiball and this seems to have fixed the problem. If you are having the same issue call Stern, talk to Chas, let them know you need the same part. Below are some pics of the breakdown, part comparison (HUGE DIFFERENCE IN QUALITY IMHO). Thanks for following the thread. Any questions, shoot me a PM.

User Manual 5.36 Toy Box Up Kicker Assembly

I'll let the thread know if I have anymore issues. Cheers : )

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ISSUE NOT FIXED (haha)

Stern sent me a replacement Shaft Head (part no. 530-5511-01) and I replaced the piece a little over 24 hours ago. Game worked fine for a good dozen or so rounds.

I'm sure Chas loved the four emails I sent in a row....one new video, one of the pictures i did of the install yeterday (see above), one of a washer (which I found out the answer too, yes is is suppose to be bent), and another letting them know that the compression spring which is shown in the diagram was not in the mech at all.

This is the part that was left out of my machine. Compression spring-conical (part no. 266-5020-00)

I'm hoping that it's the spring that is the issue. It's so crazy that it worked fine for a dozen games yesterday and it stopped working today.

New Video: