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�
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