Miele G1220 Dishwasher Service Manual -

The heater pressure switch has detected inadequate water pressure inside the circulation system.

Miele no longer produces the G1220 line, but these units are considered "classics." They feature: miele g1220 dishwasher service manual

Clean the fine filter and mesh filter at the bottom of the tub weekly. The heater pressure switch has detected inadequate water

Located directly under the main filter basket. A loose or dirty non-return valve allows dirty drain water to siphon back into the clean wash tub. miele g1220 dishwasher service manual