12
►
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�
9 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 4 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�
