Thermador PRL366WG 36 in Pro Grand Range with 5 Burners, 22,000 BTU Power Burner, and Convection Oven F5 Error Fix: Control Board Communication Error

Error code F5 on the Thermador PRL366WG 36 in Pro Grand Range with 5 Burners, 22,000 BTU Power Burner, and Convection Oven means: Control Board Communication Error. The oven's main control board is not communicating properly with other modules, causing operational errors. This can be triggered by faulty wiring, board failure, or firmware corruption. Oven functions may be unresponsive or erratic.

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), F10 (Oven Relay Stuck), F11 (Oven Door Sensor Error), F12 (Oven Temperature Sensor Short Circuit), F13 (Oven Relay Open Circuit), 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, 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.