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Poor drying performance

Poor drying performance or lint buildup

LG · Air Conditioning

What does Poor drying performance mean?

The drying performance can be affected by issues with the exhaust vent system. Lint buildup, incorrect vent material, or improper installation can lead to longer drying times or ineffective drying.

Common Causes

  • Lint buildup in ducts
  • Using plastic or thin aluminum ducts
  • Improperly installed or routed exhaust vent
  • Blocked exhaust vent

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Clean the old ducts before installing the new dryer.

  2. 2

    Ensure the exhaust vent is made of heavy-duty metal and all joints are sealed with duct tape.

  3. 3

    Avoid sharp bends or long runs in the vent ducting; keep the route as short and straight as possible.

  4. 4

    Verify the external vent opening is not blocked by lint, snow, or other obstructions.

  5. 5

    Ensure the dryer is properly vented to the outside and not recirculating air.

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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