Display shows E2 and freezer temperature is unstable or incorrect.

Safety first: Unplug the refrigerator before any disassembly.

Locate the freezer sensor:

• Open the freezer and remove baskets or shelves as needed.
• Look for a small plastic cover on the rear or side wall; this usually houses the sensor.
• Remove the cover and inspect the sensor and wiring for ice buildup, damage, or discoloration.

Defrost and inspect:

• If the sensor is encased in ice, leave the unit unplugged with doors open for several hours or use a hair dryer on low setting at a safe distance to melt ice (do not overheat plastic).
• After defrosting, reseat the sensor connector and check that the wire is not cut or crushed.

Test and replace:

• If you can measure resistance, compare the sensor reading to the service chart. Replace the sensor if readings are out of range.
• Route the new sensor along the original path and secure it away from moving parts or sharp edges.

When to seek service: If E2 returns immediately after sensor replacement, the control board may be faulty and should be evaluated by a technician.