Miele Miele G 5266 SCVi 24" Fully Integrated Dishwasher with AutoDos F78 Error Fix: Circulation Pump Speed Fault

Error code F78 on the Miele Miele G 5266 SCVi 24" Fully Integrated Dishwasher with AutoDos means: Circulation Pump Speed Fault. The circulation pump is running but not reaching the required RPM. The speed sensor on the pump motor detects insufficient rotation speed. Common causes: worn pump bearings, damaged impeller, foreign object partially blocking the impeller, voltage supply issues. Unlike F47 (pump not running at all), F78 = pump runs but underperforms.

The most successful fix is "Replace Circulation Pump Assembly" (hard difficulty, ~90 minutes). Estimated DIY cost: $15-$25. HomeMD has 2 community-ranked fixes for this error.

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

Yes — the top-ranked community fix ("Replace Circulation Pump Assembly") is rated hard difficulty and takes about 90 minutes. Tools needed: T20 Torx screwdriver, Flathead screwdriver, Multimeter, Pliers.

DIY cost: $15-$25. Professional repair typically costs $250-$350. Many homeowners save money by trying the top-ranked community fix first.

The Miele Miele G 5266 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), F12 (Water Drainage Fault), and 3 more.

Error code F78 also appears on 1 other Miele model: Miele G 7366 SCVi 24" Fully Integrated Dishwasher with AutoDos. The fix may vary by model, so check each model's specific page for tailored repair steps.