Solution by Steven

Cause: The controller battery is unable to
maintain cached data for the required period
of time. For example, if the required period of
time is 24 hours, the battery is unable to
maintain cached data for 24 hours. It is
normal to receive this alert during the battery
Learn cycle as the Learn cycle discharges the
battery before recharging it. When
discharged, the battery cannot maintain
cached data.
Action: Check the health of the battery. If the
battery is weak, replace the battery pack.