Thermador PRD486WDGU Pro Grand 48" F5 Error Fix: Oven Control Board Failure

Error code F5 on the Thermador PRD486WDGU Pro Grand 48" means: Oven Control Board Failure. The oven control board has malfunctioned, causing erratic oven operation or failure to respond to inputs. This is typically triggered by firmware corruption or electrical failure.

The most successful fix is "Replace Oven Control Board" (hard difficulty, ~45 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 Oven Control Board") is rated hard difficulty and takes about 45 minutes. Tools needed: Phillips screwdriver, Nut driver, Label maker.

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

The Thermador PRD486WDGU Pro Grand 48" has 8 other known error codes, including: F1 (Oven Temperature Sensor Failure), F10 (Oven Door Gasket Failure), F11 (Oven Thermal Fuse Blown), F12 (Oven Door Switch Malfunction), F13 (Oven Sensor Thermistor Open), and 3 more.

Error code F5 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, 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.