The seal on the lid of the rinse aid container in the combination dispenser is loose or missing.
Open the lid of the rinse aid container.
Check whether the seal on the lid is tight, see Fig. 1.
Use your finger to press the seal on tightly all the way round.
If the seal is missing, proceed as follows:
Look for the seal in the wash cabinet.
Reattach the seal to the lid and use your finger to press it on tightly all the way round.
If you cannot find the seal, you can order a new one as a spare part.