Silonn Poor Ice Release / Harvest Failure

Ice maker cycles but ice sticks to the evaporator and does not drop into the basket.

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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

Dirty or scaled evaporator surface, Weak hot gas defrost or harvest cycle, Faulty evaporator temperature sensor, Low refrigerant causing incomplete freeze/defrost pattern

How to Fix / Troubleshooting

Safety first: Unplug the unit before touching the evaporator.

Steps to improve ice release:

  • Clean evaporator: Remove mineral deposits and slime from the evaporator with a soft cloth and vinegar solution.
  • Check cycle timing: Observe a full cycle to see if the unit enters harvest (you may hear a change in compressor sound). If harvest is very short, the control may be misreading temperature.
  • Verify water flow: Ensure water is flowing evenly over the evaporator; dry spots can cause sticking.
  • Descale system: Run a full cleaning/descaling cycle to improve heat transfer.
  • Sensor check: If available, test or replace the evaporator temperature sensor that signals harvest.

When to call a professional: If ice still will not release and you suspect a refrigerant or valve issue, contact a technician.

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Repair Difficulty

Medium 3/5

Required Part

Evaporator Temperature Sensor (NTC)
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