Artevino
Frost Accumulation / Defrost System Failure
Excessive frost or ice buildup on the evaporator and rear interior wall.
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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
Defective defrost heater, Failed defrost sensor or thermostat, Door not closing fully, Frequent door openings in humid environment
How to Fix / Troubleshooting
Safety: Unplug the cabinet before defrosting. Do not use sharp tools to remove ice.
- Manual defrost: Open the door and allow the unit to defrost completely. Place towels to catch water.
- Check door closure: Ensure the door closes fully and the gasket is intact.
- Test defrost components: Access the evaporator and test the defrost heater and sensor/thermostat for continuity. Replace any open components.
- Control board: If heater and sensors are good but frost returns quickly, the defrost control on the main PCB may be faulty and require replacement.
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Repair Difficulty
Hard
4/5
Required Part
Defrost Heater / Defrost Sensor
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