ATTENTION: not replacing the batteries within the two-minute limit may damage the heat-
ing system.
C
D
E
Press the button on the bot-
tom and open the device C.
This procedure, done when
the battery-charge state
icon is flashing, will make
all wording on the display
disappear.
The time available for re-
placing the batteries is about
2 minutes; once that time
elapses the configured set-
tings will be restored to the
factory values.
Fit three new LR6 alka-
line AA 1.5V batteries, into
the battery housing while
respecting the polarities
shown on the bottom D.
ATTENTION: badly fitted
batteries may damage the
heating system.
Close the device and be
careful with the small latch-
es. E.
If the instructions on the
display don't appear within
30 seconds, press the R
reset button.