Thermador PRL366WG 36 in Pro Grand Range with 5 Burners, 22,000 BTU Power Burner, and Convection Oven F10 Error Fix: Oven Relay Stuck

Error code F10 on the Thermador PRL366WG 36 in Pro Grand Range with 5 Burners, 22,000 BTU Power Burner, and Convection Oven means: Oven Relay Stuck. A relay on the control board is stuck closed or open, causing heating elements to remain on or off incorrectly. This can cause continuous heating or no heating at all. The error is detected through abnormal voltage or current readings.

The most successful fix is "Replace Main Control Board" (hard difficulty, ~60 minutes). Estimated DIY cost: $150-$250. HomeMD has 2 community-ranked fixes for this error.

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

Yes — the top-ranked community fix ("Replace Main Control Board") is rated hard difficulty and takes about 60 minutes. Tools needed: Phillips screwdriver, Nut driver.

DIY cost: $150-$250. Professional repair typically costs $300-$450. Many homeowners save money by trying the top-ranked community fix first.

The Thermador PRL366WG 36 in Pro Grand Range with 5 Burners, 22,000 BTU Power Burner, and Convection Oven has 8 other known error codes, including: F1 (Oven Temperature Sensor Failure), F11 (Oven Door Sensor Error), F12 (Oven Temperature Sensor Short Circuit), F13 (Oven Relay Open Circuit), F14 (Oven Door Latch Motor Failure), and 3 more.

Error code F10 also appears on 5 other Thermador models: 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, PRD366WGU Pro Grand Range, PRD486WDGU Pro Grand 48", 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.