When batteries are low a battery
symbol will ﬂ ash in the LCD display.
You have 15 days to replace the
battery before the unit will switch
When changing batteries, remove old
batteries and insert new ones within
one minute and programming will
not be lost.
IMPORTANT: always use high quality alkaline batteries.
NB. If the display ever goes blank during normal operation, the
batteries will need to be renewed, the unit reset and the time and