LG Dryer — Error Code E21

Q: How do I fix the E21 error on a LG dryer?

Try first: Clear the drain path. Straighten the drain hose, check for blockages, and clean residue from the drain pump filter.

Tub drainage took too long on condensing or steam models.

brand LG appliance Dryer market US component drain pump category drainage severity stop failure

ApplianceDB ranks 1 repair for this code, led by “Clear the drain path”. That top fix is an easy DIY job, involving the drain pump. Severity is classified as stop failure — the appliance halts until the fault clears.

Ranked repair steps

1. Clear the drain path

Straighten the drain hose, check for blockages, and clean residue from the drain pump filter.

easy · basis: manufacturer first

Provenance: facts re-derived from an official manufacturer listing — LG USA Support — Dryer Error Code List. Meanings and steps are original paraphrase; nothing is reproduced verbatim.

LG Dryer — Error Code E21

Ranked repair steps

1. Clear the drain path

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