We may have found other answers which could help you.
Click here for Miele G646 DishwasherWater coming out of vent of Miele G 851 SC?
Miele G1220 F14 appears 2min into any wash cycle?
Miele G1222 series dishwasher F14 error message?
Red light meaning ?
Miele G 590 dishwasher relay?
How can I fix Miele G 645 SC plus which is making a noise as it goes on to ?