Grill function does not heat or heats very weakly; F06 appears on display.

Safety first: Disconnect the oven from mains power before working near the grill element.

Step-by-step checks:

• Visual inspection: Look at the grill element at the top of the cavity for visible breaks, bulges, or burn marks.
• Continuity test: Access the rear of the oven, disconnect the grill element terminals, and measure resistance. An infinite reading indicates a failed element.
• Check connectors: Tighten any loose spade connectors and replace any that are discolored or brittle from heat.
• Replace grill element: Remove fixing screws or clips inside the cavity, slide out the old element, and fit the new V-ZUG grill element. Ensure the terminals are correctly oriented and firmly connected.

When to call a technician: If the grill element is intact and wired correctly but F06 remains, the grill relay or power module is likely faulty and should be replaced by an authorized service technician.