SMEG
Evaporator Icing / Low Airflow or Low Refrigerant
Indoor unit freezes up with ice on the evaporator coil
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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
Clogged air filters, Dirty indoor coil, Indoor fan running too slowly or not at all, Low refrigerant charge
How to Fix / Troubleshooting
Safety first: Turn off the unit and allow ice to melt naturally; do not chip ice with sharp objects.
- Clean filters and coil: Restore airflow by thoroughly cleaning filters and the evaporator coil.
- Check fan speed: Ensure the indoor fan responds to speed changes and delivers strong airflow.
- Avoid very low setpoints: Do not set the thermostat excessively low in cool mode, especially in humid conditions.
- Call technician if recurring: If icing returns after cleaning, have a professional check refrigerant charge and system pressures.
Prolonged operation with ice can damage the compressor and cause water leaks when thawing.
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Repair Difficulty
Medium
3/5
Required Part
Indoor Evaporator Coil / Fan Motor
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