Teka
Frost Accumulation / Defrost System Failure
Excessive frost or ice buildup on the interior rear wall or around the evaporator area.
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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, Faulty defrost timer logic on PCB, Door gasket leaks allowing moist air in
How to Fix / Troubleshooting
Safety: Unplug the wine cooler before defrosting or accessing internal components. Do not use sharp tools to remove ice.
- Manual defrost: Turn off and unplug the unit. Open the door and allow all ice to melt naturally. Use towels to absorb water.
- Inspect gasket: Replace any damaged door gasket to reduce moisture ingress.
- Test defrost components: Access the evaporator and test the defrost heater, defrost NTC sensor, and thermal fuse/thermostat for continuity and proper resistance. Replace any failed parts.
- Check door usage: Advise minimizing door openings in humid environments to reduce frost formation.
- Control board: If all hardware is good but frost returns quickly, the PCB may not be initiating defrost cycles correctly and may require replacement.
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Repair Difficulty
Hard
4/5
Required Part
Defrost Heater
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