Pevino
Frost Buildup / Defrost System Failure
Excessive frost or ice buildup on the evaporator and interior back 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
Failed defrost heater, Defective defrost thermostat or sensor, Blocked defrost drain causing ice accumulation, Door gasket leaks allowing moist air in
How to Fix / Troubleshooting
Safety: Unplug the unit. Do not use sharp tools to remove ice.
- Manual defrost: Remove all bottles, place towels inside, and allow the unit to defrost completely with the door open.
- Check door gasket: Replace a damaged or leaking door gasket to prevent excess moisture entry.
- Inspect defrost components: After ice melts, remove the interior back panel and check the defrost heater and defrost thermostat for continuity with a multimeter.
- Clear drain: Locate and clear the defrost drain hole using warm water and a flexible brush or pipe cleaner.
- Replace faulty parts: Install new defrost components if they test open or show visible damage.
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Repair Difficulty
Hard
4/5
Required Part
Defrost Heater
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