Answer
The Koine 4 shuts itself down if no water arrives. Find the reason before you restart. The manual points to four suspects: a closed valve, a kinked delivery hose, an empty supply tank and a blocked filter. The water filter should be cleaned daily anyway. Also confirm the water gauge reads at least 3.5 bar at start-up and stays above 2.5 bar while running, and that the no-water-pressure lamp is off. The machine is protected against power failure and low water pressure, so after fixing the cause, press the start pushbutton to carry on.
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Reviewed by our parts specialists from IMER manuals and parts books. Check the part number on your machine or in its parts book before you order. Not sure? Ask a parts specialist.