The backup battery is running low.
When the lithium battery for clock backup
is running short, an error occurrs.
To fix the error, you need to turn the
GP's power OFF and then On again.
Leave the GP ON continuously and the battery
will become sufficiently charged for backup
after 24hours, and will be fully charged
in approximately 96 hours. In the battery
is incorrectly replaced, the battery may
explode. DO NOT replace
Please contact to your local Pro-face distributor.
After changing the backup battery, adjust clock setting.
The lifetime of the backup battery depends
on the ambient temperature and the amount
of current being charged and used. The table
below gives a general indication of how
long the battery will last.
||40°C or lower
||50°C or lower
||60°C or lower
||10 years or longer
||4.1 years or longer
||1.5 years or longer