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Title: WMS 40X Dotmation won't boot Post by: stevo51064 on March 05, 2012, 02:06:54 AM I have a Williams Dotmation Model 40X and I just encoutered a new problem. When I power up, it doesn't boot anymore. All I observe is the Dotmation display loading the promes, and the flourescent bulbs come on. No Beep or Bong sound and no Reel initiation/movement. Basically dead, then the Dotmation screen goes blank. Does this sound like a power supply Problem? The I/O board shows the 2 outer voltage LEDs illuminated. The Failed LED is NOT illuminated. Any help would be greatly appreciated. Thanks
Stephen Title: Re: WMS 40X Dotmation won't boot Post by: knagl on April 04, 2012, 01:42:30 AM All of the voltage LEDs need to be lit on the main processing board in order for the machine to work properly. If some of them are not lit, it is indeed likely an issue with the lower power supply not putting out all of the correct voltages.
Title: Re: WMS 40X Dotmation won't boot Post by: tollguy316 on April 04, 2012, 02:10:13 AM I have lower Power supplies available , If you choose not to go the ATX computer Power supply route. Bill
Title: Re: WMS 40X Dotmation won't boot Post by: MaxCoinz on February 06, 2013, 11:05:16 PM I too have the same problem. What is the power supply part number? Tollguy, to you still have power supplies? If so, what is the cost?
Title: Re: WMS 40X Dotmation won't boot Post by: Nlosure on February 06, 2013, 11:56:40 PM It definately sounds like a power supply issue. There are two power supplies on these units. Upper and lower. I have owned 4 Williams machines and they are bullet proof outside of the power supplies.
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