The amount of rinse aid dispensed is set too low.
Increase the dispensing quantity. See the operating instructions for information on the correct dispensing quantity.
Clouding has occurred on dishware, glasses, and cutlery after the rinse. The residue can be wiped off.
Increase the dispensing quantity. See the operating instructions for information on the correct dispensing quantity.
Add reactivation salt as described in the operating instructions.
Reinstall the cap, making sure that it screws back on correctly.
Switch to another cleaning agent. Use normal cleaning agent tabs or normal powder detergent.
Increase the water softener setting as described in the operating instructions.