The Miele G 1220 series (including the SC, SCU, and SCI variants) is part of Miele's G 1000/2000 technical generation. While the full technical service manual is typically reserved for certified technicians, most common repairs and diagnostics can be managed through the machine's built-in service mode.
: Monthly cleaning of filters and the sump area prevents debris from clogging the drain pump. Water Softening miele g1220 dishwasher service manual