FixByModel
LC

Samsung LC: Leak detected in the base pan

A moisture sensor in the base of the dishwasher has detected water, indicating a leak. It can come from hose or gasket leaks, too much or wrong detergent/rinse aid, or an unlevel unit.

DIY fix

By the FixByModel editorial team · Verified 2026-09 · Researched against manufacturer support & repair references (below)

Most likely causes

  1. Loose or leaking hose connection
  2. Damaged door gasket or worn pump seal
  3. Too much detergent or wrong detergent causing suds
  4. Excess rinse aid
  5. Dishwasher not level or leaning forward
Where water collects
1Door gasket
2Hoses & sump
3Base tray
4Float switch

Schematic illustration of a typical dishwasher — not your exact model.

Before you start — unplug the appliance and turn off the water supply. You'll be working near water and electrical parts, and drained water can be hot. If a step involves the pump, wiring, or opening the cabinet and you're unsure, stop and call a qualified technician.

Step-by-step fix

1Stop and inspectStop the cycle and check hose connections, the door gasket, and under the unit for water.
2Tighten connectionsSecure any loose fill or drain hose fittings.
3Check detergent/rinse aidUse only dishwasher detergent and avoid overfilling; reduce excess rinse aid.
4Level the unitAdjust the leveling feet so the dishwasher isn't tilted forward.
5Dry the base and retestLet the base pan dry, then run a cycle. If the leak returns, seek service to find the source.

Still showing LC?

If you’ve worked through every step and LC keeps returning, an internal part likely needs testing and replacement. That’s a job for a qualified appliance technician, who can measure the suspect part against the service-manual spec before replacing it.

Which models this applies to

Samsung dishwashers. Most Samsung dishwashers; older models display LE for the same leak fault (LE = LC).

FAQ

What does Samsung LC mean?

Leak detected in the base pan. A moisture sensor in the base of the dishwasher has detected water, indicating a leak. It can come from hose or gasket leaks, too much or wrong detergent/rinse aid, or an unlevel unit.

What causes Samsung LC?

The most likely cause is loose or leaking hose connection. Other causes include Damaged door gasket or worn pump seal; Too much detergent or wrong detergent causing suds; Excess rinse aid; Dishwasher not level or leaning forward.

Can I fix Samsung LC myself?

Usually yes. Start by working through the steps above, beginning with: stop the cycle and check hose connections, the door gasket, and under the unit for water.