- Switch on the oilpump
- Press the right arrow button and hold it on
- LED 9 is on, and after 5sec its flashing
- Release the right arrow button
- Now the switch is set to the right flow
- Press the right arrow button and hold it on
- LED 9 is on, and after 5sec its flashing
- Release the right arrow button
- Now the switch is set to the right flow