Reviewed diagnostic family

Samsung dishwasher PE: half-load function error

Samsung says PE means the half-load function is not performing correctly; run an empty half-load cycle once before service.

SamsungDishwasherReviewed 2026-09-11

What this guide covers

Error codes: PE

This guide follows a structured decision tree built from manufacturer troubleshooting information. It does not assume that the most commonly replaced part is the failed part, and it does not show an exact-fit replacement part unless model compatibility has been independently verified.

Continue this exact diagnostic

Safe troubleshooting sequence

This reviewed path begins with a direct owner-safe action or status check rather than a branching question. Follow the step below, then use the interactive diagnostic if the condition persists.

  1. Empty the dishwasher and add normal detergentDo not add extra water manually.
  2. Run a half-load cycle onceIf PE returns, switch power off and use service.

Reviewed outcomes

Run one half-load function retest

Samsung says PE means the half-load function is not performing correctly; run an empty half-load cycle once before service.

Evidence strength: Strong

Samsung dishwasher PE: half-load function error returned after the retest

A recurring half-load function error needs model-specific diagnosis.

Evidence strength: Strong

When professional diagnosis is the safer next step

A recurring half-load function error needs model-specific diagnosis.

Appliance Verdict stops before energized electrical testing, gas-system work, sealed-system work, and other checks that can create unnecessary risk. A technician can use the model, issue, and completed checks from the interactive diagnostic as a starting point.

Repair or replace?

A diagnosis and a repair decision are different questions. Once you have a real repair quote, compare the total repair cost with the all-in price of a comparable replacement. Warranty or protection-plan coverage, appliance age, reliability history, efficiency, and likely future repairs can all matter. Appliance Verdict’s interactive result includes a transparent cost comparison rather than a black-box replacement recommendation.

Manufacturer sources

Samsung Support

Dataset reviewed through 2026-09-11. Appliance Verdict is independent and is not endorsed by the manufacturers cited. Always follow the exact owner or service documentation for your model.

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