TZ was my first pin. I big undertaking for a newbie but worth it. Here are a few things to check.
1. Make sure the clock board works or has been changed. It is a common failure point in the original design of the game. The new clock boards are much better.
2. Make sure the eddy board senses the power ball which is the white ceramic ball. This is a common failure point. There are new reliable boards that are easy to install.
3. Make sure you look for a credit dot on the display. This will indicate that there are electronic errors. You can find the specific errors going into the test menu.
4. Make sure there is no battery leakage damage to the board in the back box. Hopefully there will already be a remote battery pack installed.
5. Look for hacks in the board in the back box.

That is all I can think of now. There are many other Pinsiders which are much more knowledgeable than myself. I will get the thread started,however.

Welcome to the forum.
I am sure you will see that the collective knowledge in this forum is amazing.

Lets see some pics please.

Welcome to the club. You will love the pin. You have a nice one. Love the topper. I need to get one like that.

HI Deadpin,
I like you did not appreciate TZ initially and sold it off. It was my first real pin. I ended up buying it back a year later. I now appreciate the thought behind the layout of Lawlor's pins. I added Funhouse 2 weeks ago. Another one of his pins that I have never owned but wanted to try. Keep looking for your TZ. The hunt is part of the fun. If I see any TZs I will PM you.
Litz