I have an old MV-45/40,6M Control, sn 286, 7100179, Type A02B-0060-B201. Reviewing the owner's maintenance log for this machine, a previous technician recorded the backup battery voltage to be 3.0 volts back in 2014. I have reviewed every youtube video and searched through countless forums trying to locate the batteries for this machine. DMG couldn't help either as the locations they gave me to check didn't have batteries either. I don't have a "battery box on the doors", or "between the fans" and have pulled the top boards off of the spindle and axis drive units and opened the controller box as well and still found no batteries. I also have gone through my MV-45 Machine Manual and the Parts List. Does this machine even have back up batteries?

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