Hotpoint-Ariston
Defrost System Failure / Air Leak
Excessive frost or ice buildup on the back wall or around drawers in a No Frost Hotpoint-Ariston freezer.
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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, Defrost thermostat/NTC fault, Door gasket leak, Door frequently left ajar
How to Fix / Troubleshooting
Safety first: Unplug the freezer before defrosting or accessing internal components.
- Perform full manual defrost: Empty the freezer, unplug it, and leave the door open until all ice has melted. Use towels to absorb water.
- Inspect gasket and door closure: After defrosting, check the door seal and alignment. Replace the gasket if damaged.
- Monitor for recurrence: If heavy frost returns within 1–2 weeks, the automatic defrost system is likely faulty.
- Test defrost components (advanced DIY): Access the evaporator and test the defrost heater and thermostat/NTC for continuity and correct resistance. Replace any failed components with Hotpoint-Ariston parts.
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Repair Difficulty
Hard
4/5
Required Part
Defrost Heater
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