The grease filter is clogged.
Rinse the grease filter in the dishwasher without crockery at a temperature of at least 65 °C. Ensure that the grease filter is placed at an angle in the dishwasher.
Repeat the process every 3–4 weeks.
If the grease filter has not been properly cleaned in the dishwasher, the filter saturation indicator is programmed too long. Set the filter saturation indicator for the grease filter to shorter interval times. Consult the operating instructions for more information.
If the grease filter is not cleaned for 3–4 months, the grease in the filters may harden and become impossible to remove, even in a dishwasher. It is useful to replace the grease filter.