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817-900-8324Samsung dishwashers show a short code when something’s wrong — and many are quick fixes you can do yourself. Here’s what each Samsung dishwasher error code means, what to try first, and when to call a technician.
| Code | What it means | What to try |
|---|---|---|
| 4C / 4E | Water-supply problem (pressure/temp) | Check the supply is on; avoid FloodSafe auto-shutoff hoses |
| 5C / 5E | Won’t drain | Clean the filter, drain hose, and sump |
| LC / LE | Leak detected | Check for water under the unit and at hose connections |
| OC / 0C | Overfill | Turn off the water supply; this one needs service |
| 3C / 3E | Pump fault | Restart; if it returns, it needs service |
| 7C / 7E | Waterwall reflector issue | Remove any packing tape; reseat the reflector |
| bE / 9E | Stuck button | Make sure no panel button is stuck down |
Codes vary by model — check your manual if yours isn’t listed.
The dishwasher isn’t getting adequate water. Try first: confirm the supply valve is open. A common Samsung-specific cause is a FloodSafe/auto-shutoff hose — swapping it for a standard hose often clears it.
Water isn’t draining. Try first: clean the filter, drain hose, and sump of food debris. Still stuck? See dishwasher not draining.
The moisture sensor found a leak. Try first: check for water under the unit and inspect the door seal and hose connections. Don’t keep running it until the leak is found.
On WaterWall models, the reflector bar isn’t moving freely. Try first: remove any shipping tape and make sure the reflector sits correctly in its track.
Most dishwasher error codes come down to a clogged filter, a kinked hose, or an inexpensive part — repairing is almost always cheaper than replacing. If a code won’t clear, we repair Samsung dishwashers (and every major brand) across DFW, usually same-day. Not sure yours is worth fixing? See our dishwasher repair-or-replace guide.
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