PC-Er
Samsung Panel Communication Error

Display shows PC-Er; controls may be unresponsive; cooling may continue or stop intermittently.

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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

Loose or damaged communication cable between display panel and main PCB, Corroded connectors, Faulty display PCB, Faulty main PCB

How to Fix / Troubleshooting

Warning: Disconnect power before accessing control panels.

  • Power cycle: Unplug the unit for 5 minutes and restore power. If PC-Er returns, continue.
  • Inspect top hinge area: On many Samsung freezers, the communication harness runs through the top hinge. Remove the hinge cover and check for pinched or broken wires.
  • Check display connections: Remove the front display/control panel and verify the ribbon cable is fully inserted and not damaged.
  • Check PCB connections: At the main PCB, ensure the communication harness is firmly connected.
  • Replace faulty board: If wiring is intact, either the display PCB or main PCB may be defective. Replacement should be done with the correct Samsung part numbers and, ideally, by a professional.
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Repair Difficulty

Hard 4/5

Required Part

Display Control Board
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