Miele G1220 Dishwasher Service Manual [top]

Check the tiny ball bearing inside the non-return valve to ensure it is not stuck, then snap the assembly back into place. Cleaning the Water Inlet Filter (Fixes F12/F13)

Look into the exposed sump basin. On the left side, you will see a small metal clip or plastic locking arm. Flip this clip upward or sideways to release the .

Water has leaked into the structural drip tray underneath the dishwasher. This has lifted the polystyrene float switch, triggering an emergency flood prevention cycle. Fix: Disconnect the power supply. miele g1220 dishwasher service manual

+-------------------------------------------------------------+ | MIELE G1220 INTERNAL COMPONENTS | | | | [ Wash Tub Area ] | | |--> Sump Filter Assembly --> Non-Return Valve | | | | [ Lower Structural Base (Accessible via Bottom/Front) ] | | |--> Circulation Pump Motor | | | |--> Flow-Through Heating Element | | | +--> Heater Pressure Switch | | | | | |--> Synchronous Drain Pump | | +--> Polystyrene Flood Float Switch | +-------------------------------------------------------------+ Accessing the Internal Base Component Bay Pull the dishwasher out of its enclosure.

Inspect the heater pressure switch wiring harness for corrosion. Check the tiny ball bearing inside the non-return

If the error returns, check the solenoid valve on the water inlet hose and the leak detection float switch in the base. Replacing the Circulation Pump

: The dishwasher displays an F51 error, often in relation to the pressure switch, which may require cleaning or replacement. Flip this clip upward or sideways to release the

Tipping the machine resets the code, but it does not fix the underlying leak. Once the machine is dry, run a short cycle with the side panels removed to locate the source of the water—usually a loose hose clamp, a cracked drain pump seal, or a pinhole tear in the rubber sumps. 4. Entering the Technician Service Programming Mode

Remove the two securing screws located at the rear upper corners or under the front lip. Slide the top panel toward the rear and lift it off.

| Specification | Value | |---------------|-------| | Dimensions (HxWxD) | 33.5 x 23.5 x 22.5 inches (850 x 597 x 570 mm) | | Power rating | 2100 – 2400 W | | Heating element | 2000 W (integrated into circulation pump) | | Circulation pump motor | 65 W, 4500 RPM | | Drain pump | 35 W, 3000 RPM | | Water intake | 0.5 – 10 L/min at 0.3 – 10 bar | | Control board fuse | T3.15A 250V (primary) | | NTC thermistor resistance | 49–51 kΩ at 20°C (68°F) |