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Service-Bulletin Dishwashers 599 517 755 EN Bad drying result with dishwashers Before the after-sales service visits the customer it is required that the order acceptance finds out by questioning whether the drying result is normal or really faulty. A normal drying result is: - There is a thin moisture film on the inner door and on the interior walls of the dishwasher, which however gets dry visibly after a short time. In this connection, some humid air is still escaping from the dishwasher. - In case of dishwashers with the best drying result the drying effect is marked with an A on the energy label. That means that at least 93 % of the dishes must be dry. - Plates, cups, dishes and pots dry in general very good. - The glasses still may have some water drops at the points of contact to the basket. - There is water in hollows in which the water cannot drain from the dishes. - There may be water drops at the points of contact with cutlery items. - Plastic dishes in general dry badly. It is necessary to dry by hand with a tea-cloth afterwards. The use of 3-in-1 products, that is detergent tabs which include softener, detergent and rinse-aid, could also be the reason. The customer should try common detergents and rinse-aid or should call the hotline of the producer of the cleaning agent. When the technician is checking the dishwasher, he can relate the drying result to two fault pattern. 1. The dishwasher is drying but the customer is generally unsatisfied with the drying result. Check and measures - Is the fan running? "Trick" the door contact with a separate lock bow and switch on the fan via the service function. Hold your hand or a lighter in front of the water hardness regulator: a smooth air flow must be perceptible. - Is the detergent and rinse-aid dosage tight? In case of leaky detergent and rinse-aid dosages the provided quantity of rinse-aid is no more available for the final rinse cycle. Open the dishwasher until the door is in horizontal position and wait approx. 30 seconds. In case of new detergent and rinse-aid dosages with a rinse-aid cover: On this occasion open the rinse-aid cover. Check the sealing in the cover for a correct seat. Also check whether the counterpart has left a mark on the sealing as a continuous line. Wipe off rinse-aid remains at the fill-in opening with a cloth until the fill-in area is dry. Then put the door slowly almost vertical. (rinse-aid cover still open). Rinse-aid must not leak out of the fill-in opening. DGS-TDS-N 18.07.03 2 599 517 755 EN On former detergent dispensers with a round rinsing ag