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�