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U827 alarm Mitsubishi FA20V

mattquerio

Plastic
Joined
Jul 15, 2011
Location
Kzoo Mi
So this FA20v has been dormant a while. Got it to power up, but it won't do anything. If I hit ready it immediately alarms.

Z52 Backup Battery Low 0
Please ref. Return XYZUV
U827 set parameter 0000

Is this all caused by the battery?
I was hoping to find a way to zero return all axis, but I'm not getting anywhere. Any help is appreciated!!!
 

SteveEx30

Hot Rolled
Joined
Nov 25, 2011
Location
CANADA
From what I remember you won't be able to do anything until you replace that battery in the back of the control. I bought an EA series machine from storage years ago and had same issue.
 

Chris $

Plastic
Joined
Jan 6, 2023
Yes you need to replace the battery. Usually happens to us after any extended power outage.
 








 
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