Epson Z8250NL - Manual (Page 111)

Problem Solving
111
"The battery that saves your clock settings is running low." is displayed.
Is Mail Notification function set correctly in the
configuration menu? Mail notification of problems is sent according to the settings on the Mail Notification menu in the
configuration menu. Check if it is set correctly.
s Network Menu - Mail Notification Menu p.84
Cause Remedy
The internal power supply that saves your clock settings is
running low. Contact your local dealer or Epson. s p.114
Check Remedy