Thermador MED301JS 30 in Masterpiece Series Single Wall Oven with 4.3 cu ft Capacity and Steam Bake F3 Error Fix: Oven Door Lock Motor Failure

Error code F3 on the Thermador MED301JS 30 in Masterpiece Series Single Wall Oven with 4.3 cu ft Capacity and Steam Bake means: Oven Door Lock Motor Failure. The motor responsible for locking the oven door during self-clean cycle has failed, preventing the door from locking and thus disabling self-clean operation.

The most successful fix is "Replace Door Lock Motor" (medium difficulty, ~40 minutes). Estimated DIY cost: $30-$60. HomeMD has 2 community-ranked fixes for this error.

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Yes — the top-ranked community fix ("Replace Door Lock Motor") is rated medium difficulty and takes about 40 minutes. Tools needed: Phillips screwdriver, Needle-nose pliers.

DIY cost: $30-$60. Professional repair typically costs $130-$190. Many homeowners save money by trying the top-ranked community fix first.

The Thermador MED301JS 30 in Masterpiece Series Single Wall Oven with 4.3 cu ft Capacity and Steam Bake has 8 other known error codes, including: F1 (Temperature Sensor Failure), F10 (Oven Relay Stuck), F11 (Oven High Limit Thermostat Tripped), F12 (Oven Temperature Sensor Open Circuit), F13 (Oven Door Gasket Torn), and 3 more.

Error code F3 also appears on 6 other Thermador models: DWHD660WFM 24 in 42 dBA Sapphire Series Dishwasher with Star Dry and WiFi Connectivity, PODS301W 30 in Wall Oven with 4.3 cu ft Capacity and Convection Cooking, PRD366WGU Pro Grand Range, PRD486WDGU Pro Grand 48", PRL366WG 36 in Pro Grand Range with 5 Burners, 22,000 BTU Power Burner, and Convection Oven, T36BT925NS 36 in 20.9 cu ft Freedom® Collection French Door Refrigerator with WiFi Connectivity and ThermaFresh System. The fix may vary by model, so check each model's specific page for tailored repair steps.