Costway Ice Full Detection Failure

Ice maker continues to run and attempt to make ice even when the bin is clearly full.

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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

Blocked or failed ice full sensor, disconnected sensor wiring, misaligned sensor bracket, control board not reading sensor

How to Fix / Troubleshooting

Safety first: Unplug the unit before working near the ice bin area.

Steps to restore bin full shutoff:

  • Clean sensor: Wipe the ice full sensor window or arm with a soft cloth to remove frost and condensation.
  • Check alignment: Ensure the infrared emitter and receiver are facing each other and not blocked by plastic or mispositioned parts.
  • Inspect wiring: Verify that the sensor harness is connected securely to the main board.
  • Replace sensor: If the unit never stops when full, replace the ice full sensor / infrared level sensor.
  • Board check: If a new sensor does not fix the issue, the main control board may not be processing the signal correctly and may need replacement.
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Repair Difficulty

Medium 3/5

Required Part

Ice Full Sensor / Infrared Level Sensor
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