Miele Dishwasher Troubleshooting: F-Codes, Drainage & AutoDos (NYC Guide)

Why Miele is diagnosed by code, not by symptom

Miele dishwashers (G5000, G7000, ProfiLine) run continuous self-diagnostics through the electronic control board. Every fault surfaces as an F-code on the display, so the fastest path is to read the code first and match it to the failed subsystem — no guessing.

• Waterproof system: floor pan sensor triggers a full drain and lockout if it senses a leak — this is the #1 lockout call in NYC
• Flow meter (not a fill timer) measures the actual liters per cycle — a low-pressure fill hangs the cycle indefinitely
• AutoDos with PowerDisk is a servo-driven dosing arm — jams block the cycle even with detergent left in the disk
• Model & serial plate is on the door frame, visible only when the door is open

F11 — will not drain

F11 means the drain cycle ran past its time limit without emptying the sump. On NYC installs with long horizontal drain runs, this is almost always a clogged trap, standpipe backup, or the check valve at the sump.

• Kitchen-sink garbage disposal knockout plug never removed at install — the most common cause we find
• Drain hose kinked behind the machine or looped without a high point
• Coarse filter and sump strainer clogged — pull the lower rack and unscrew the cylindrical filter
• Drain pump impeller jammed by broken glass or a fruit sticker — accessed from inside the sump

F14 — heating fault

Miele uses a flow-through heater (not an exposed element) built into the circulation pump. F14 means the water didn't reach setpoint in the allowed time — usually the heating circuit, thermistor, or the control board relay driving it.

• Flow-through heater open-circuit — no continuity across its terminals
• NTC thermistor drifted — the board thinks the water is already hot
• Circulation pump not moving enough water over the heater (partial impeller failure)
• Control-board relay welded closed or open — technician diagnosis

F24 — heat pump / drying fault (G7000)

On G7000 units with the AutoOpen drying door, F24 points to the drying assembly or the servo that opens the door at end-of-cycle. The wash cycle usually completes but dishes come out wet.

• AutoOpen servo motor failed — door stays shut, no venting
• Fan or blower motor in the drying assembly seized
• Door hinge tension too high, preventing AutoOpen from breaking the seal
• Rinse-aid empty or dosing too low — even with hardware working, dishes stay damp

F70 / F78 — waterproof system tripped

F70 or a permanent lockout with water on the floor pan means the Waterproof System has done its job and drained the machine. The machine will refuse to start until the pan is dry AND the fault is cleared. Do not bypass it — Miele's leak protection is what prevents floor damage in an NYC apartment.

• Actual leak from the door gasket, sump, or circulation pump seal — locate before resetting
• Loose lower spray-arm hub letting wash water hit the floor pan
• Condensation from a failed AutoOpen not venting — false leak trigger
• Float switch in the pan stuck up from prior water — dry and re-verify before calling

AutoDos & PowerDisk problems

The AutoDos arm doses detergent from a PowerDisk into the wash chamber mid-cycle. When it fails, the machine may still complete a cycle but dishes come out with visible residue or completely un-cleaned.

• PowerDisk inserted upside-down or wrong orientation — no dosing possible
• AutoDos arm servo jammed by dried detergent — carefully clean with a damp cloth
• Disk empty but not reset — press and hold the AutoDos button to re-inventory
• Water hardness setting wrong — over-dosing wastes disk, under-dosing leaves film

When to call Appliance Flix

Miele dishwashers are the longest-lived residential dishwashers sold in the US — 20-year lifespans are routine when serviced by factory-trained techs. If an F-code persists after the checks above, the waterproof system has tripped, or the AutoDos won't dose, contact Appliance Flix for factory-trained Miele service in Brooklyn and Manhattan using OEM Miele parts.