Freezer display shows AL13; unit may not enter or exit fast-freeze mode correctly.
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.
Possible Causes
How to Fix / Troubleshooting
Safety first: Disconnect power before working on the control panel or internal wiring.
- Check fast-freeze button: Ensure the button is not physically stuck or damaged. If the UI is unresponsive, the UI board may be faulty.
- Power reset: Unplug the freezer for 5–10 minutes to clear any temporary logic errors, then test fast-freeze operation.
- Inspect control board: If fast-freeze is always on or never activates, the relay or output on the main board may be stuck. Look for burnt or welded relay contacts.
- Replace faulty components: Install a new UI board if the button or interface is defective, or a new main control board if the fast-freeze relay is stuck.
Because fast-freeze interacts with compressor and fan control, misdiagnosis can lead to unnecessary part replacement. If unsure, consult a technician.
Repair Difficulty
Required Part
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