Thermador PRD366WGU Pro Grand Range F1 Error Fix: Electronic Oven Control Failure

Error code F1 on the Thermador PRD366WGU Pro Grand Range means: Electronic Oven Control Failure. The electronic oven control (EOC/clock) has experienced an internal failure. Replace the EOC.

The most successful fix is "Replace Electronic Oven Control (ERC/EOC)" (hard difficulty, ~60 minutes). Estimated DIY cost: $100–$250. HomeMD has 1 community-ranked fix for this error.

This error is rated high severity. You should address it promptly — continued use could cause damage or safety concerns.

Yes — the top-ranked community fix ("Replace Electronic Oven Control (ERC/EOC)") is rated hard difficulty and takes about 60 minutes. Tools needed: Phillips screwdriver, Nut driver (1/4"), Needle-nose pliers, Multimeter.

DIY cost: $100–$250. Professional repair typically costs $250–$450. Many homeowners save money by trying the top-ranked community fix first.

The Thermador PRD366WGU Pro Grand Range has 8 other known error codes, including: F0 (Electronic Oven Control Failure), F10 (Control Board Communication Error), F11 (Oven Temperature Sensor Short Circuit), F12 (Oven Control Board Overvoltage Protection Triggered), F13 (Oven High Limit Thermostat Open), and 3 more.

Error code F1 also appears on 6 other Thermador models: DWHD660WFM 24 in 42 dBA Sapphire Series Dishwasher with Star Dry and WiFi Connectivity, MED301JS 30 in Masterpiece Series Single Wall Oven with 4.3 cu ft Capacity and Steam Bake, PODS301W 30 in Wall Oven with 4.3 cu ft Capacity and Convection Cooking, 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.