873-A not resetting

[Phan000]

Thanks wolf and David.  I’ll take a bunch of photos and more video this evening.  I’ll attach a short video here showing what the machine is doing.


Spent a few hours yesterday trying small adjustments and using insulation to isolate the issue, but had no success whatsoever.


The one photo above that is angled is with one step up, but lights showing 2 coins. Occasionally the first coin will stop on lights one, however mostly it instantaneously jumps past one to the two stop.


I am not seeing any difference in switches between one and two steps.


Hopefully some photos or video may help as I’m pretty stuck.


https://youtu.be/tqVXr6_LEqU

[DavidLee]

Nice looking machine!


The odds unit seems to be teetering between 1 and 2 coins.
1 lights up and skips to the second coin.


Play all 5 coin for awhile and see what happens. As to a different outcome.


A photo of a step unit like yours in the 1 coin position would be helpful.
I’ll see what I have.

[wolftalk]

for once, I'll do a short answer :-)  If you want to know why, yell.


look on the handle release relay for a SPDT switch that looks like this - maybe, since your game is kinda unknown:


   top blade                  - blue/red wire 21-1
   middle/moving blade - blue/yellow wire 23-1 (coming from coin switch)
   bottom blade            - brown/red wire 61-1
 
make sure 23-1 does not connect to 61-1 until the handle release relay has tripped.

if your handle release relay doesn't have wires with those colors, post picture of that relay - including the wires attached to the blades - and the coin switch.


if that looks ok, see if you have an odds relay (wire 61-1 will be on the coil).  If you do, make sure the gap between a switch on that relay with orange/green wire 74-1 and red/black wire 18-1 is good.  18-1 goes to the odds unit step-up coil.

[Phan000]

Here is my handle release.


I can get another better lit shot this evening.   


Not sure if these colors match your description?

[wolftalk]

you must have a reel snap switch, so 21-1 is replaced with grey/blue 92-5.


anyway, it's the bottom switch on the handle release relay you care about.  Reset the handle release and make sure the blade with the blue/yellow wire isn't touching the bottom blade with the brown/red 61-1 wire.


the reel snap switch may also cause the problem.  It's on the right side of the reel mech  (oops, that's the dashpot switch on the right side. ...  the snap switch is on the reel mech someplace.  David?) 


find and take a look at the snap switch.  The 92-5 grey/blue wire on the handle release goes to the middle blade of an SPDT switch on the snap stack.  Make sure that switch is not connecting 92-5 to the 61-1 wire that is also on the switch.

a similar circuit is below.  Replace the word "LINE" with "ODDS" in your game and ignore the diodes.

the point is wire 23-1 from the coin switch must NOT connect to 61-1 on the first coin played until after the coin switch tripwire is up (which is when the handle release relay trips).  The odds relay (line S.U. relay on the below) should only power on coin 2+.


if your handle release is not resetting and locking the handle every time, that would also cause the problem.

[Phan000]

You guys are amazing.


I adjusted that bottom switch on the reset stack and it is working properly now.  Fantastic.


Thanks so much for your help David and Wolf!


Another fun project competed.  Very happy with how this machine cleaned up!


Thanks again!

[DavidLee]

Okay great,


Would it be possible to post a photo of the switch stack and a brief description
of the problem and what adjustment you made to solve the problem.


This could be helpful information for someone in the future.


Team work!

[Phan000]

Absolutely,


So the bottom switch in the handle release stack was under-gapped.   It is the switch indicated by the yellow arrow in the photo.


When I first over-adjusted the gap, only the first coin would play.  The odds unit would not step up.


But after narrowing the gap,  the machine works perfectly.  One coin advances to the first set of lights, and each subsequent coin steps up as expected.

[DavidLee]

Great, that post will be very helpful to someone in the future.
Plus a good learning experience for all who followed along.


Thanks