Display shows E2 and the freezer compartment is too warm or not freezing properly.

Safety first: Unplug the refrigerator before working inside the freezer.

Steps:

• Access the freezer sensor: Remove freezer drawers and the rear inner panel to expose the evaporator area. The freezer NTC sensor is usually clipped to the evaporator tubing or mounted on the rear wall.
• Check for ice buildup: If the sensor is buried in ice, fully defrost the freezer by unplugging the unit and leaving the door open. Do not chip ice with sharp tools to avoid damaging tubing.
• Inspect sensor and wiring: Look for broken insulation, cut wires, or a loose sensor clip. Ensure the sensor is firmly attached to the evaporator or wall.
• Measure resistance: Disconnect the sensor from its connector and measure resistance with a multimeter. Compare to the expected NTC range (typically several kΩ at room temperature). Infinite or near-zero resistance indicates failure.
• Replace if defective: Install a new Etna freezer NTC sensor if readings are out of range or the sensor is damaged. Route wiring away from sharp metal edges and moving parts.
• Reassemble and test: Refit the rear panel and drawers, restore power, and check if the E2 code disappears after a few minutes of operation.