Dacor DOB30M977DS 30 in 4.8 cu ft True Convection Wall Oven with WiFi F8 Error Fix: Door Locking Switch Fault

Error code F8 on the Dacor DOB30M977DS 30 in 4.8 cu ft True Convection Wall Oven with WiFi means: Door Locking Switch Fault. The door locking switch is not operating correctly. The control board is detecting an inconsistency between the lock motor command and the lock switch feedback. The lock switch may be stuck in the locked or unlocked position, or the switch contacts may be worn. Check the door lock switches and wiring. Test the lock motor for proper operation. The door lock assembly contains both the motor and the position switches — if either component is faulty, replace the entire assembly. Also check for a misaligned door that prevents proper lock engagement.

The most successful fix is "Replace Door Lock Assembly with Motor and Switches" (medium difficulty, ~45 minutes). Estimated DIY cost: $20-$30. 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 Assembly with Motor and Switches") is rated medium difficulty and takes about 45 minutes. Tools needed: Phillips screwdriver, Multimeter, Needle-nose pliers.

DIY cost: $20-$30. Professional repair typically costs $150-$220. Many homeowners save money by trying the top-ranked community fix first.

The Dacor DOB30M977DS 30 in 4.8 cu ft True Convection Wall Oven with WiFi has 8 other known error codes, including: F0 (Function Key Stuck), F1 (System Watchdog Circuit Fault), F2 (Heating Mode Over-Temperature), F3 (Shorted Oven Temperature Sensor (RTD)), F4 (Open Oven Temperature Sensor (RTD)), and 3 more.

Error code F8 also appears on 5 other Dacor models: DOC30M977DS 30 in 4.8 cu ft Combination Wall Oven with Microwave and True Convection, DOP48M96DPS 48 in 6 Burner 5.5 cu ft 18,000 BTU Modernist Dual Fuel Range, DP36M96NDS Pro 36" Dual Fuel, ER30DSCH Distinctive Dual-Fuel Range, HWO230PS Heritage Wall Oven. The fix may vary by model, so check each model's specific page for tailored repair steps.