Zachsea Posted September 10, 2021 Share Posted September 10, 2021 Hi all ive got a royal 550 thats being a real headache. Some things have power and some do not on the machine. Initially showed up and swapped deck because it was hot inside but no dice and upon further examination the new deck, the bill acceptor, coin acceptor, and everything else seems dead in the water on power. The 2 fuses up top look fine and when you slap the holder for them back in the bill acceptor cycles for a moment but never comes on completely. Is this a board issue? Its the version with the small blue button. Thanks! Link to comment Share on other sites More sharing options...
AZVendor Posted September 11, 2021 Share Posted September 11, 2021 Sounds like a bad board but it might be a bad power transformer. Find the wiring diagram and measure the voltage inputs to the logic board without the connector hooked up. If you're missing one or more voltages the transformer is the problem. 1 Link to comment Share on other sites More sharing options...
AngryChris Posted September 11, 2021 Share Posted September 11, 2021 Could also be low voltage at the outlet Link to comment Share on other sites More sharing options...
cvending Posted September 11, 2021 Share Posted September 11, 2021 When you replace the fuse holder be sure it is latched in completely. Push the holder in then up to securely lock it in Link to comment Share on other sites More sharing options...
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