Costway Intermittent Power or Overheat Protection Trip

Ice maker starts a cycle but stops partway through and resets repeatedly.

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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

Overheating compressor, failing power supply on control board, loose power connections, blocked ventilation

How to Fix / Troubleshooting

Safety first: Unplug the unit and allow it to cool if it feels hot to the touch.

Steps to address intermittent shutdown:

  • Improve airflow: Move the unit away from walls and heat sources. Clean all vents and the condenser coil.
  • Check power cord and plug: Wiggle the plug gently in the outlet (with the unit off) to ensure a snug fit. Replace a loose or damaged cord.
  • Inspect internal connections: Remove the rear panel and verify that all spade connectors and harness plugs on the compressor, fan, and board are tight.
  • Monitor compressor temperature: If the compressor becomes extremely hot and then the unit shuts off, the thermal protector may be tripping. This can indicate a failing compressor or fan.
  • Board replacement: If power is stable and cooling is normal but the unit still resets, the main control board power supply section may be failing and should be replaced.
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Repair Difficulty

Hard 4/5

Required Part

Main Control Board
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