AL06
Asko Compressor Start / Overload Fault

Freezer display shows AL06; compressor does not run or runs only briefly; interior remains warm.

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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

Failed compressor start relay, Failed compressor PTC or overload protector, Locked or mechanically failed compressor, Faulty main control board output to compressor

How to Fix / Troubleshooting

Safety first: Unplug the freezer before accessing the compressor compartment. Capacitors and mains wiring can be hazardous.

  • Listen for compressor behavior: When powered, you may hear a click and brief hum followed by another click. Repeated clicking without sustained running suggests a start device issue.
  • Access compressor start components: Remove the rear lower panel. Locate the compressor and its start relay/overload assembly attached to the side terminals.
  • Inspect for burning or damage: Remove the start device and check for burnt smell, melted plastic, or rattling pieces inside. Replace if any damage is found.
  • Check wiring connections: Ensure all spade connectors are tight and not corroded. Verify the ground connection is secure.
  • Replace start relay/overload: Install an OEM-compatible Asko start device, matching the wiring orientation. Do not substitute random universal kits unless specified for your compressor model.

If the compressor still fails to start or draws excessive current, the compressor itself or the control board may be defective. These are advanced repairs that should be handled by a refrigeration technician.

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Repair Difficulty

Professional Required 5/5

Required Part

Compressor Start Relay / Overload Protector
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