Candy Control Board Software Lockup

Unit displays lights but all functions are frozen; no buttons respond until unplugged.

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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

Firmware glitch, Electrical noise or surge, Faulty control PCB memory, Poor grounding or power quality

How to Fix / Troubleshooting

Safety first: Disconnect power before any panel removal.

  • Hard reset: Unplug the ice maker for at least 10 minutes, then reconnect and test.
  • Check power source: Plug directly into a properly grounded outlet. Avoid shared outlets with heavy appliances.
  • Surge protection: Consider using a surge protector to reduce future lockups.
  • Board replacement: If freezes occur frequently, the main control board may need replacement.
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Repair Difficulty

Medium 3/5

Required Part

Main Control Board (PCB)
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