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Samsung Dishwasher CE — Control / panel communication error

Samsung Dishwasher · Error code CE

What CE Means

Loss of communication between the main control board and the user interface (touch) board.

Symptoms

  • CE on display
  • Random lockups mid-cycle
  • Display freezes or flickers
  • Won't accept input

Common Causes

1
Loose ribbon / harness between boards

Door-hinge wiring fatigues over years of opening.

2
Failed touch control board

Microcontroller failure on UI.

3
Failed main control board

Communication driver on main board failed.

4
Moisture intrusion at connectors

Leak from door gasket corroded a connector.

How to Fix It

  1. Power off at the breaker for 5 minutes and restore — clears transient comm faults.
  2. If recurring, remove the inner door panel and inspect the harness between touch panel and main board.
  3. Reseat both connectors; look for corrosion or pinched wires at the hinge.
  4. If wiring is good, swap the touch board first (less expensive), then the main board.
  5. Check the door gasket for leaks that could be soaking the harness.

Parts You May Need

If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.

Common replacement Samsung dishwasher touch control board View on Amazon→ Common replacement Samsung dishwasher main control board View on Amazon→

More Samsung Dishwasher Codes

1C 1C — Low water level / fails to start 1E 1E / IE — Filter clogged / heater fault 3C 3C Error — Wash Pump Failure 3E 3E — Hot water supply too hot 4C 4C / 4E — Water Supply Error 4C5 4C5 / 4E5 — Fill timeout with dry tub

All Samsung codes → All dishwasher codes →

Verified against manufacturer documentation: samsung.com

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician.