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Clean Filter flashes

Clean Filter flashing — Lint filter needs cleaning

LG · Air Conditioning

What does Clean Filter flashes mean?

The Clean Filter indicator will flash when the dryer is powered on, and stops flashing once the start/pause button is pressed. It is a reminder to clean the lint filter for optimal performance.

Common Causes

  • The lint filter has accumulated lint and needs to be cleared.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Locate the lint filter, usually at the base of the dryer door opening.

  2. 2

    Pull the filter straight up to remove it.

  3. 3

    Remove all lint from the filter by hand or by vacuuming.

  4. 4

    Wash the filter with warm, soapy water if necessary, ensuring it is completely dry before replacing.

  5. 5

    Insert the clean filter back into its slot.

  6. 6

    Press the Start/Pause button to begin your cycle.

Browse all codes in this manual (97)
Verified technical data. Last updated: April 2026

Related Faults

01Error 01 - Indoor air sensor open or short circuit02Error 02 - Inlet pipe sensor open or short circuit03Error 03 - Communication error between indoor unit and wired remote
Source: LG Air Conditioning
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