Reading stored codes and service/test mode (overview)

Entry sequences differ by model and generation. Always confirm on the tech sheet inside the cabinet; the sequences below are examples reported for specific model families.

Single source ~20 min moderateBrands: Whirlpool, Samsung, LG

Before you start

Test modes energize the motor, pump and valves; keep hands clear and the drum empty
On some top-load tests the lid strike is removed; keep clear of the spinning basket

Diagnostic steps

Unlock all 3 steps with expected values

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OnCall Tech is a reference tool for trained technicians and can make mistakes. Always disconnect power and confirm with the manufacturer's documentation before you work.

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