E2
Ariston
Defrost Sensor / Evaporator Sensor Error
Freezer shows error code E2 and may not defrost properly, leading to ice buildup on the 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
Open or shorted evaporator NTC sensor, Sensor not in correct position on evaporator, Wiring harness damage, Control board fault
How to Fix / Troubleshooting
Safety first: Unplug the freezer before removing the rear internal panel.
- Access evaporator: Remove drawers and the rear panel to expose the evaporator and attached sensors.
- Check sensor placement: Ensure the sensor is firmly clipped to the evaporator tubing where designed. A sensor hanging loose will misread temperature.
- Inspect for damage: Look for cracked sensor casing, broken wires, or corroded connectors. Replace any damaged components.
- Manual defrost: If heavy ice is present, perform a full manual defrost to restore airflow, then monitor if E2 returns.
When to call a technician: Persistent E2 after sensor replacement suggests a control board issue requiring professional diagnosis.
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Repair Difficulty
Hard
4/5
Required Part
Evaporator NTC Sensor
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