Samsung · Dishwasher Serious

5C2 — Drain pump won't run or stalls

The drain pump fails to start, runs only briefly, or stalls under load. Different from 5C/SC which is no level change detected.

Keep using it?
Limited use only
DIY difficulty
Moderate
Verified against
samsung.com ↗

How to fix it

  1. Disconnect power and pull the dishwasher; access the drain pump from below.
  2. Remove pump and inspect impeller — clear any debris and verify it spins freely.
  3. Reseat the pump's electrical connector and check wires for chafing.
  4. Test motor windings with a multimeter; replace pump if out of spec.
  5. If pump and wiring are good, replace the main control board.

Why it happens

Typical signs: 5C2 on display · No pump-out sound at drain phase · Pump hums briefly then stops · Standing water remains

  • Drain pump impeller jammed Glass, pit, or hard debris wedged against impeller stalls the motor.
  • Failed drain pump motor BLDC motor electronics or windings failed.
  • Loose pump wiring Connector at pump or board not seated.
  • Main board drain driver failed Triac or FET on the control board damaged.

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.

  • Samsung dishwasher drain pump Common replacement
    Amazon →
  • Samsung dishwasher main control board Common replacement
    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 →

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician. Verified against manufacturer documentation: samsung.com.