(Topic ID: 241179)

Shaker Won’t Turn Off


By Krupps4

3 months ago



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  • 5 posts
  • 4 Pinsiders participating
  • Latest reply 3 months ago by rs812
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#1 3 months 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 3 months 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 3 months 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 3 months ago

There was/is a slight electrical smell.

-1
#5 3 months ago
2301C7A8-22E2-4439-92E7-0994DFCA749E (resized).jpeg
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