Epson 500 Series User Manual

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.

Caution

Do not attempt to remove the numeric coprocessor yourself;

this requires a special extraction tool. Contact your Authorized

EPSON Servicer for assistance.

The 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:

System battery is dead - Replace and run Setup

Contact your Authorized EPSON Servicer to install a new battery

for you or call the EPSON Connection for referral information.

A-14

Troubleshooting