* FIXED! (see below for details) The 500 point rollover lanes that change to 5000 when lit are not working properly. The lane lights are not alternating. AFter a google I took out the FS relay and cleaned it as it was sticking and now it's working when I carefully step through.

And when in the machine I can carefully step it and the lane lights alternate as they should.

However, when playing the game, the same 5000 light on the rollover flickers then comes on again, the other never lights up.

I think its because it jumps exactly two teeth and moves the cam twice so the switches remain in the same state. I think that because I can do that if I flick the mechanism rather than carefully step it through.

What can I adjust to try and stop that, any ideas? I've only got an EM machine a few weeks ago so I don't know much about it all but I'm trying.

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Thanks HowardR , I would like to alter the drive pawl tension on the rachet. The manual says:

"Alter tension by forming flat spring"

Can you tell me what than means? I'm not sure what "forming" means.

Thanks paulace the spring does seem like its been cut down, I've ordered some new parts from PBR including the spring.

Thanks HowardR and paulace I discovered something:

I've made two videos that maybe you could have a quick look at. It the first one I step the unit manually with the machine on and the lanes alternate correctly. You can also see the switch is working correctly.

The second is during gameplay. The lane lights do not alternate and the switch does not seem to work correctly.

Is there anything you can see from that, I mean why wouldn't the switch be working when the game moves it?

HowardR paulace FIXED!

The little red arrow you put on that diagram was exactly the problem paulace

Like you said the armature plate was moving too far downward toward the coil. I pulled it part and checked the amarture plate and it was straight then discovered that bracket that holds the coil, one side of it was very slightly bent, basically making the coil a little too far away from the amarture plate causing a longer throw of the armature plate causing it to jump two teeth of the ratchet when the coil activated it.

When I bent it back straight and put it back it it started to work perfectly!

I could not work it out as looking at guides on youtube they always cleaned the relay then kind of just clicked it using their fingers and like mine it seemed to work fine like that but the violence of the coil activating it is much harder and that made it jump.

Thanks to you both again for the help, I'll donate to pinside in your name.