i Have a Alpha 1 Fireball Frenzy..I had to replace the 24 volt power supply Because of blowing Fuses on the main switch..Everything was running great for several months Fast start-up passes the post test..it is on a Battery back-up and surge protector apc ..i left the room and came back in and the machine was dead and the fuses was blown( main Switch ) i haven't checked witch Power supply is issue..by pulling out each power unit and turning it on to check like it did before..Are there any issues with the s9000 bally power supply's that i need to be aware of . I know there were power bridges on them that had issues..thanks