PE Moderate Moderate DIY

Samsung Dishwasher PE — Half Load function error

Samsung Dishwasher · Error code PE

What PE Means

On models with Half Load, the diverter or valve that routes water to only the upper or lower rack failed during a Half Load cycle.

Symptoms

  • PE on display
  • Half Load cycle aborts
  • Both racks spray when only one should
  • Diverter motor stalled sound

Common Causes

1
Failed half-load diverter

Diverter actuator open or stalled.

2
Wiring fault to diverter

Harness disconnect under tub.

3
Debris in diverter

Filter bypass debris jamming the mechanism.

4
Main control board fault

Driver output not firing the diverter.

How to Fix It

  1. Run a normal full-load cycle to confirm general operation.
  2. Power off at the breaker and try the Half Load option again.
  3. If still failing, pull the dishwasher to access the diverter from below.
  4. Inspect for debris and test motor windings.
  5. Replace diverter assembly if mechanically failed.

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 diverter assembly 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.