E6 is displayed and the interior light and fan may not operate correctly, or the unit does not respond to door opening.

Safety: Disconnect the appliance from mains before removing any internal trims.

Steps:

• 1. Check basic operation: Open the fridge door and see if the interior light comes on and the fan stops (on fan-assisted models). If not, the door switch/sensor may be faulty.
• 2. Locate the door switch: On many CDA refrigerators, the switch is a small plunger in the cabinet frame or a magnetic sensor behind the liner near the top.
• 3. Inspect and clean: For plunger switches, press them in and out; they should move freely. Clean any dirt or sticky residue. For magnetic sensors, ensure the door magnet (often in the door gasket) is present and not damaged.
• 4. Electrical test: Remove the switch (usually clipped or held by a small screw) and test continuity with a multimeter while pressing the plunger. Replace if it does not change state.
• 5. Replace the switch/sensor: Fit a new CDA door switch assembly or magnetic door sensor as per your model. Reconnect the wiring and refit the trim.
• 6. If E6 remains: The main PCB input circuit may be faulty. This requires professional diagnosis.

Note: A faulty door switch can also cause defrost and temperature issues because the control logic relies on door status.