Candy
Defrost System Failure
Freezer forming thick ice on rear panel; fridge temperature unstable; manual defrost needed frequently.
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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, Open defrost thermal fuse or thermostat, Faulty evaporator NTC sensor, Defective defrost control on main PCB
How to Fix / Troubleshooting
Safety: Unplug the refrigerator before accessing the freezer evaporator. Avoid using sharp tools to remove ice.
- Manual defrost: Empty the freezer and leave doors open with towels in place until all ice melts. This may take several hours.
- Access components: Remove the rear inner freezer panel to expose the evaporator, heater, and sensors.
- Test heater: Disconnect the defrost heater and measure resistance. Replace if open.
- Check thermal fuse/thermostat: Test for continuity at room temperature. Replace any open safety devices with Candy-specified parts.
- Sensor test: Verify the evaporator NTC sensor resistance is within expected range.
- Control board: If all components test good, the main PCB defrost circuit may be faulty and require replacement.
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Repair Difficulty
Hard
4/5
Required Part
Defrost Heater / Thermal Fuse
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