- The pump runs continuously.
- Setting mode LED (3) has a steady green light.
- Pump monitor LED (9) has a steady green light.
- The red time LED (6) in the inner LED ring flashes at 6:00 h (= time segment 6:00–6:30 h).
- None of the green running time LEDs (7) in the outer LED ring light up (48 time segments of 30 min).