Oven interior light and display flicker or dim when heating turns on.

Safety first: Switch off power at the distribution board before inspecting electrical connections.

Step-by-step checks:

• Check terminal block: Tighten all screws on the oven's terminal block and inspect for heat damage.
• Verify supply cable: Ensure the cable size and breaker rating match V-ZUG installation requirements.
• Dedicated circuit: Move other heavy loads (e.g., dishwasher) to a different circuit if they share the same breaker.

When to call a technician: If flickering persists with correct wiring, the internal power supply or filter may be failing and should be replaced by a technician.