The circulation pump is blocked. In longer breaks between wash/rinse cycles (lasting weeks or months at a time), the pump may become dry and stick together.
Remove the lower spray arm.
Remove the filter combination.
Pour 1 litre of warm water (maximum 75 °C) with 3 to 5 drops of rinse aid into the dishwasher interior.
Leave the solution to work for 5 minutes.
Refit the filter combination. Ensure that the filter combination is positioned correctly.
Refit the lower spray arm.
Start the programme again.
Repeat the process 2 to 3 times if necessary.
Consult the operating instructions for further information.