The soiling has become encrusted.
Clean the grease filter more frequently. You can shorten the interval of the operating hours counter.
Support for your
Ventilation Hood
Grease filter is not cleaned in dishwasher
The ventilation hood grease filter is not cleaned properly in the dishwasher.
The wash temperature is too low.
Select a program on your dishwasher that reaches a maximum temperature of 150°F (65°C).
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