AL02
Liebherr
High Temperature Alarm – Freezer Compartment
Acoustic alarm and AL02; freezer temperature is too high, food may begin to soften.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Door not fully closed, Excessive frost blocking evaporator, Failed freezer fan, Defective compressor or refrigerant leak
How to Fix / Troubleshooting
Safety first: For basic checks, you can leave the unit powered. Unplug before removing panels.
Step-by-step:
- Door and gasket: Check that the freezer door closes properly and that the gasket is intact and clean.
- Check for frost: Look for heavy frost on the back wall or around drawers. If present, a defrost issue may be causing poor cooling.
- Fan check: Listen for the freezer fan when the door is closed (you may need to press the door switch). If not running, the fan or control is suspect.
- Alarm reset: Press the alarm button to silence. Monitor freezer temperature with a thermometer.
- If temperature remains high: A sealed system or compressor fault may exist; professional service is recommended.
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Repair Difficulty
Medium
3/5
Required Part
Freezer Evaporator Fan or Door Gasket
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