Costway Incomplete Freezing / Early Harvest

Ice maker displays normal operation but ice is very soft or slushy when harvested.

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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

Incorrect ice size setting, evaporator sensor misreading, high water temperature, control board timing fault

How to Fix / Troubleshooting

Safety first: Unplug the unit before adjusting sensors.

Steps to correct soft ice:

  • Select larger ice size: Choose the largest cube size to extend freeze time.
  • Use cooler water: Fill the reservoir with cool water and avoid adding warm water during operation.
  • Check evaporator sensor placement: Ensure the evaporator thermistor is firmly attached to the plate so it senses true temperature. Reattach with aluminum tape if loose.
  • Defrost and restart: Unplug the unit, let all ice melt, dry the interior, then restart. This can reset freeze/harvest timing.
  • Board replacement: If the unit consistently harvests too early despite correct sensor placement, the main control board may have a timing fault and require replacement.
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Repair Difficulty

Medium 3/5

Required Part

Evaporator Temperature Sensor (NTC Thermistor)
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