Start with an observation, not a reset. Record the complete light pattern, message, water flow or noise. Related models can use different maintenance steps.
Symptom-first diagnosis
Overflow above the brew basket is different from a base leak. Once the brewer is stopped and cool, compare the filter setup, coffee dose and grind. Do not stack a paper filter with a permanent filter, and do not try to fix an...
Brew cycle and volume
The brewer beeps, pauses, and ends before delivering the selected amount.
Cleaning and descaling
The CLEAN indicator remains illuminated after a cleaning cycle.
Symptom-first diagnosis
First identify which mode leaves sediment. A grounds-mode filter problem and a damaged pod are different investigations. A little fine sediment is also different from a torn filter dumping grounds, so record what changed before...
Water flow and pump
The machine starts but little or no water reaches the carafe or cup.
Capsules and brew head
The machine does not switch to pod mode after the pod adapter is installed.
Symptom-first diagnosis
On a DualBrew variant with a separate hot-water function, successful hot water does not prove the coffee route is ready. Check the mode selector, grounds lid or pod-adapter seating, and the drip-stop state before assuming the...