Interior light not working but refrigerator cools normally.

Safety: Unplug the refrigerator before replacing light modules.

• Test door switch: Press the door switch by hand and see if any lights flicker. Replace the switch if it does not change the light state.
• Access light module: Remove the plastic light cover and inspect the LED module for burn marks.
• Check connector: Ensure the light connector is firmly seated. Reseat it to improve contact.
• Replace LED module: Install a Grundig-compatible LED light module if the original is defective.
• Restore power and test: Confirm that the light operates correctly when the door is opened.