Miele Miele G 7366 SCVi 24" Fully Integrated Dishwasher with AutoDos F12 Error Fix: Water Drainage Fault

Error code F12 on the Miele Miele G 7366 SCVi 24" Fully Integrated Dishwasher with AutoDos means: Water Drainage Fault. Water is not draining from the dishwasher within the allotted drain time. Check the drain hose for kinks, blockages, or improper routing. Clean the triple filter system at the bottom of the wash tub. Inspect the drain pump impeller for foreign objects (glass shards, food particles, broken crockery). Verify the drain hose connection to the siphon or standpipe is correct. Maximum drain hose height: 1 metre above base of machine.

The most successful fix is "Inspect and Replace Drain Pump Assembly" (medium difficulty, ~60 minutes). Estimated DIY cost: $10-$20. HomeMD has 2 community-ranked fixes for this error.

This error is rated critical severity. It is generally not urgent and can often be resolved with a simple DIY fix.

Yes — the top-ranked community fix ("Inspect and Replace Drain Pump Assembly") is rated medium difficulty and takes about 60 minutes. Tools needed: T20 Torx screwdriver, Multimeter, Adjustable wrench, Towel.

DIY cost: $10-$20. Professional repair typically costs $120-$200. Many homeowners save money by trying the top-ranked community fix first.

The Miele Miele G 7366 SCVi 24" Fully Integrated Dishwasher with AutoDos has 8 other known error codes, including: DETERGENT DISP FAIL (Detergent Dispenser Mechanism Failure), DOOR LATCH WEAR (Door Latch Mechanism Worn), DRAIN PUMP FAIL (Drain Pump Failure), F11 (Water Intake Fault), F13 (Water Inlet Temperature Too Cold), and 3 more.

Error code F12 also appears on 3 other Miele models: Miele G 5266 SCVi 24" Fully Integrated Dishwasher with AutoDos, Miele TWI 180 WP T1 Heat Pump Dryer with WiFiConn@ct, Miele TXD 160 WP T1 Heat Pump Dryer. The fix may vary by model, so check each model's specific page for tailored repair steps.