How to Fix / Troubleshooting

Safety first: Disconnect power before accessing internal wiring.

Steps:

Verify actual temperature: Use a separate thermometer to confirm if the freezer is truly warm or if the alarm is false.
Check cabinet sensor: Follow E1 steps to test the cabinet temperature sensor, as some models use the same sensor for temperature control and alarm.
Inspect wiring: Trace the sensor harness to the main board and ensure all connectors are secure.
Board diagnosis: If the sensor and wiring are good, the alarm input circuit on the main board may be defective and require board replacement.

Note: Do not ignore a genuine high-temperature condition; move food to another freezer if necessary.

Freezer shows F2; audible alarm may sound continuously

Possible Causes