Legend ("fig. 1" on page 67)
1 OFF, summer winter mode selection/fault reset
button
2 Automatic/manual mode heating button
3 Heating - DHW programming button
4 Time and day setting button
5 Heating temperature adjustment button
6 DHW temperature adjustment button
7 User information/settings button
8 Vacation function/copy heating - DHW program day
button
9 Room temperature manual decrease button
10 Room temperature manual increase button
11 Heating program time bands
12 Day of the week
13 Hours and minutes
14 OFF mode
15 Manual heating operation
16 Automatic heating operation indication
17 Vacation function
18 Burner on and actual power
19 Summer mode
20 DHW operation
EN
68
21 Winter mode
22 Heating operation
23 Fault indication
24 Room temperature
25 Room frost protection
26 External temperature (only with optional external
27 Type of fault / Information
28 Fault RESET indication (blinking)
29 OpenTherm communication present
30 DHW ECO in progress
31 Batteries low
32 Blinking: sync search
code 3542A980 - Rev. 00 - 01/2022
probe connected)
Steady: RF communication OK