Endurable MaterialGreen FR-4 PCB material is utilized instead of the older yellow CEM-1 material, as FR-4 offers greater durability and corrosion resistance. The green color signifies an enhanced, more durable board. First-tier brand relays and transformers are employed, providing the control board with robust anti-interference capability. Fix IssuesIf your oven does not heat, heating does not cease, the display lights are dim, or numbers are not illuminating, you may need to replace your control board. Two New Overlays IncludedTo accommodate different preferences, both new black and white overlays are included with the control board