| Error Code | Appliance | Meaning | Safe first steps | Technician required | Related help |
|---|---|---|---|---|---|
| Techn. fault, contact Service | Washer | General technical fault on the washing machine / washer-dryer. | Switch the appliance off, unplug if possible, reconnect power, restart the program, and note any code shown. | Yes — if the message remains after restart. | |
| F20 / Heating fault | Washer | Heating fault / Thermostop activated; the appliance is not reaching the required wash temperature in time. | Unplug or switch off at the breaker for at least 2 minutes, restore power, and restart the program. | Yes — if the fault returns after reset. | |
| F78 | Dishwasher | Circulation pump blocked or stuck. | Pour warm water with a few drops of rinse aid into the sump area as directed by Miele, restart the program, and repeat 2–3 times if needed. | Yes — if the fault persists after reset / freeing the pump. | |
| F600 (AutoDos: dispensing process outlet fault) | Dishwasher | AutoDos dispensing path is blocked and the wash program is canceled. | Turn the dishwasher off, clean the lower spray arm and AutoDos system / PowerDisk area, then power back on and retest. | Yes — if the fault remains and the dishwasher cannot restart. | |
| F32 | Oven | The door lock for the Self Clean process does not close. | Check for any foreign object in the door-seal area, switch the appliance off, and start Self Clean again. | Yes — if the fault returns. | |
| F33 | Oven | The door lock for the Self Clean process will not open. | Interrupt the Self Clean process by switching the appliance off. | Yes — if the door lock will not unlock. | |
| F121 | Refrigerator | Ice maker defective / ice-maker fault. | Power-cycle the appliance and confirm the water supply is open; if water pressure is low, involve a plumber / facility manager. | Yes — if the fault continues or the ice maker is mechanically / electrically faulty. | |
| F1 | Tumble Dryers | Refrigerant temperature sensor short-circuited. | Stop using the dryer and arrange service. | Yes — Miele Service required. | |
| F39 | Tumble Dryers | Electronic fault. | Stop the cycle and arrange service. | Yes — Miele Service required. | |
| Err 039 / 040 / 408 / 412 | Cooktop | Electronic fault. | Disconnect power to the cooktop for about 1 minute, then restore power and retest. | Yes — if the error returns after reset. | |
| F31 / FE31 | Cooktop | Power supply fault. | Do not continue troubleshooting beyond basic power confirmation. | Yes — Miele Service required. |
Miele Appliance Alerts Decoded for San Diego Homes
Explore what Miele washer, dishwasher, oven, steam oven, refrigerator, dryer, and cooktop codes may reveal about heating, draining, locking, leak protection, ice-maker, electronics, or overheating issues before calling Reset Appliance Repair.

