Epson ActionNote - Manual (Page 119)

Numeric Coprocessor Problems
If you have installed a numeric coprocessor but it doesn’t
seem
to be operating properly, check the documentation that came
with it for troubleshooting information and for
any diagnostic
procedures you can perform.
Contact
your Authorized Epson
Servicer or call the Epson Connection if you cannot solve
the
problem.
CMOS Battery Problems
The Dallas® clock chip in your computer preserves the contents
of CMOS RAM even when
the
power is off. This battery should
last more than a year before you need to replace it. When this
battery’s life is exhausted, you see a message similar to the
following:
CMOS battery has failed
Contact your Authorized Epson Servicer to install a new
battery for you or call
the
Epson Connection for referral
information.
A-16 Troubleshooting