(Topic ID: 241179)

Shaker Won’t Turn Off

By Krupps4

5 years ago



Topic Stats

  • 7 posts
  • 5 Pinsiders participating
  • Latest reply 4 years ago by Rockytop
  • No one calls this topic a favorite

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#1 5 years ago

Hi. I installed a shaker motor in a TWD pro a couple of weeks ago. It’s worked as it should since the install. During a game today, it clicked on and would not turn off. I shut the machine off and back on and it continued to run. I unplugged all the connectors and then reconnected them. Still runs. To be clear, it runs even if there isn’t a credit. Any thoughts? Thanks in advance for the help.

#2 5 years ago

Check the driver transistor Q8. Page 13 in the manual has a chart. The schematics aren't in the manual I downloaded so I can't tell you where Q8 is located.

#3 5 years ago
Quoted from Krupps4:

Hi. I installed a shaker motor in a TWD pro a couple of weeks ago. It’s worked as it should since the install. During a game today, it clicked on and would not turn off. I shut the machine off and back on and it continued to run. I unplugged all the connectors and then reconnected them. Still runs. To be clear, it runs even if there isn’t a credit. Any thoughts? Thanks in advance for the help.

Im wondering if the circuit board it plugs into fried. Do you have another Sam machine you can try it on, or borrow the board from?

#4 5 years ago

There was/is a slight electrical smell.

-1
#5 5 years ago
2301C7A8-22E2-4439-92E7-0994DFCA749E (resized).jpeg2301C7A8-22E2-4439-92E7-0994DFCA749E (resized).jpeg
11 months later
#6 4 years ago

I have the same thing happening with a shaker I recently installed in my Iron Man VE.

Factory shaker from Stern.
Was installed and working properly, and all of a sudden the shaker came on and wouldn't shut off...it comes on as soon as I start up a game.

Any ideas on where to start?

#7 4 years ago

I found this issue, in case this saves someone some time in the future. The board (part # 520-6803-00 REV A) was bad that came with the kit. I had another one and I installed it, and now everything is working as it should.

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