Villeroy & Boch ProDetect 2 Mode D'emploi page 68

Operation
Activating the diagnostics mode
1. Push the AUTO key for 15 seconds.
The LED lights up after 10 and 15 seconds as a confirmation.
2. Release the AUTO key.
The LED lights up for 2 seconds.
The diagnostics mode is activated, and diagnostics are carried out.
S. 68
P
R
K
K
y
K
K
K
K
f
f
f