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Maho 800E Losing MC Constants

Paul Deady

Aluminum
Joined
Dec 11, 2008
Location
Australia
I have just aquired another Maho. this time 800 E with 432 control.
The machine does not hold or retain the machine constants overnight.

I have swapped batteries with a new one. I have also exchanged bateries wityh my other machine.
Still the 800 does not retain constants. I have checked wiring and this looks identical to my existing 600E

Has any one experienced a similar problem and what was the fix?
Paul deady
 
We have found the problem to be a diode on what we believe is the Battery regulator board.
that is located behind the aluminium front panel. It also has some wires coming out to the front and a battery jumper fitted.
 








 
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