FixByModel
5C

Samsung 5C: Drain fault; unable to pump water out

The dishwasher couldn't drain within the expected time, so standing water remains in the tub. It's most often a clogged filter, blocked drain hose, or debris in the drain pump.

DIY fix

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

Most likely causes

  1. Clogged filter or debris in the sump
  2. Blocked, kinked, or frozen drain hose
  3. Object jamming the drain pump impeller
  4. Clogged sink drain or air gap
  5. Faulty drain pump or sensor
The drain path — check in this order
1Tub
2Filter / sump
3Drain pump
4Drain hose
5Disposer / standpipe

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

1Clean the filterRemove and rinse the bottom filter assembly and clear food debris from the sump.
2Inspect the drain hoseCheck the drain hose for kinks or clogs; if frozen, thaw it with warm water.
3Clear the drain pumpRemove any object or debris blocking the drain pump impeller.
4Check the sink drainConfirm the disposal/sink drain and air gap aren't clogged and the knockout plug was removed.
5Reset and retestReset with Start/Cancel and run a cycle. If the code persists, have the drain pump/sensor checked.

Still showing 5C?

If you’ve worked through every step and 5C 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; displayed as 5E, SE, or SC on other generations (all the same drain fault).

FAQ

What does Samsung 5C mean?

Drain fault; unable to pump water out. The dishwasher couldn't drain within the expected time, so standing water remains in the tub. It's most often a clogged filter, blocked drain hose, or debris in the drain pump.

What causes Samsung 5C?

The most likely cause is clogged filter or debris in the sump. Other causes include Blocked, kinked, or frozen drain hose; Object jamming the drain pump impeller; Clogged sink drain or air gap; Faulty drain pump or sensor.

Can I fix Samsung 5C myself?

Usually yes. Start by working through the steps above, beginning with: remove and rinse the bottom filter assembly and clear food debris from the sump.