If your Kenmore upright freezer model 21041100 is displaying a temperature alarm, it's an indication that the internal temperature has risen above the safe storage range. Follow these steps to diagnose and potentially fix the temperature alarm issue: 1. Check Temperature Settings: * Ensure the temperature control dial is set to the appropriate level. Consult the freezer's user manual for recommended temperature settings. 2. Inspect the Door Seal: * A damaged or improperly sealed door gasket can allow warm air to enter the freezer, causing temperature fluctuations. Inspect the door seal for any gaps, tears, or signs of wear. 3. Close the Door Properly: * Make sure the freezer door is closing completely and isn't obstructed by any items or debris. 4. Load Organization: * Avoid overcrowding the freezer, as this can impede proper airflow and temperature distribution. Arrange items for efficient cooling. 5. Check for Airflow Obstructions: * Ensure that vents and air circulation paths within the freezer are not blocked by items. Proper airflow helps maintain consistent temperatures. 6. Inspect the Condenser Coils: * Dust and debris on the condenser coils can affect the freezer's cooling efficiency. Clean the coils using a soft brush or vacuum. 7. Verify Power Supply: * Confirm that the freezer is properly plugged in and receiving power. Check the circuit breaker or fuse if necessary. 8. Clear the Drain: * If the freezer has an automatic defrost system, a clogged drain can cause water accumulation and temperature issues. Clear the drain using warm water or a thin brush. 9. Monitor the Freezer: * Observe the freezer over a period of time to see if the temperature returns to the normal range after addressing any potential issues. 10. Professional Help: * If the temperature alarm persists or the freezer temperature doesn't stabilize, consider seeking assistance from a professional appliance technician. There might be an issue with the temperature sensor, defrost system, or other internal components. Remember that resolving temperature alarm issues requires patience and careful observation. Safety is crucial during any troubleshooting or repair attempts. If you're unsure about any step or if the issue persists after attempting these troubleshooting steps, consult the freezer's user manual or seek professional help to ensure safe and effective repairs.