23
Greenstar FS/Combi FS – 6720810589 (2021/01)
Operation
4.9 Activating the key pad lock
The key pad lock affects the supply temperature dial, the DHW thermostat, the
service button and the ECO button.
Activating the key pad lock:
▶ Press the key pad lock button
until and the heating supply temperature
are alternating on the display.
max
1
2
34
5
6
max
1
2
3
4
e
6
eco
reset
6 720 641 933-83.1O
min
Fig. 9
Unlocking the key pad:
▶ Press the key pad lock button
until the display shows only the supply
temperature.