10
7.3 Restore the factory setting (reset)
►
Press the pushbutton for at least 15 s�
>
LED 9 lights, after approx. 5 s it flashes.
>
After approx. 15 s LEDs 0...9 flash orange.
► Release the pushbutton. All settings are reset to the factory setting:
-
operating area: 5 ...100 cm/s for water
-
switch point: LED 7
-
output function: NO
-unlocked�
7.4 Lock / unlock the unit
The unit can be locked electronically to prevent unintentional settings�
►
Press both setting pushbuttons simultaneously for at least 10 s in the operating
mode�
> The indication goes out, the unit locks or unlocks�
On delivery: unlocked.
8 Error during adjustment
If no adjustment is possible, all LEDs flash red. The unit then passes into the
operating mode with unchanged values�
Possible cause /aid:
Error during installation�
►
Read chapter 3 Installation�
Check whether all requirements have
been met�
The difference between maximum flow and
minimum flow is too small�
►
Increase the flow difference and carry
out the adjustment once again�
The sequence high flow /low flow adjust-
ment was not adhered to�
►
Carry out the two adjustment operations
again in the right sequence�
