Lg Dryer Error d90

⚡ Quick Answer: The LG dryer error D90 indicates a significant blockage in the venting system, typically around 90%, leading to overheating and extended drying times.... ✅ DIY Fixable

What Does Error d90 Mean?

The LG dryer error D90 indicates a significant blockage in the venting system, typically around 90%, leading to overheating and extended drying times. Symptoms include the dryer stopping mid-cycle, ineffective venting of warm air, and reduced airflow at the external vent outlet. This issue is often caused by a blocked or restricted dryer vent, a clogged lint filter, or a kinked vent hose.

Common Symptoms:

  • Dryer stops mid-cycle with D90 displayed
  • Drying times much longer than normal
  • Warm/hot air not being vented effectively
  • Reduced airflow at external vent outlet

Possible Causes

  • Blocked or restricted dryer vent/duct system (high)
  • Clogged or overloaded lint filter (medium)
  • Kinked, crushed or improperly installed vent hose (medium)

How to Fix Error d90

DIY Fix Clean and inspect airflow pathways

  1. Turn off and unplug the dryer.
  2. Remove and thoroughly clean the lint filter.
  3. Pull dryer out from wall and detach exhaust vent hose.
  4. Check hose for lint buildup, kinks or damage; clean using vacuum or vent brush.
  5. Inspect wall duct and exterior vent; clear lint or debris and ensure exterior flap opens freely.
  6. Reconnect hose securely and test dryer to see if code clears.

Technician Only Professional duct inspection and deep cleaning

  1. Disconnect dryer and perform deep cleaning of entire vent path using professional tools (camera, long brush, blower).
  2. Inspect for hidden blockages in wall ducts, external vent, and for any damage requiring repair.
  3. Check proper installation and make adjustments (shorter, straight rigid ducts recommended).

Parts needed: Vent brushes, Inspection camera, Proper vent ducting materials

🛑 When to Call a Pro:
  • If error persists after thorough vent and lint cleaning
  • If airflow system components (ducts, hose, external vent) are inaccessible or damaged
  • If unusual noises, burning smells, overheating continue

Technical Specifications

wattage 5400W
component Vent duct system
resistance N/A
part_number LG 383EEL9001B
voltage_rating 240V AC

Common Questions

What does D90 error mean on LG dryer?

The D90 error means there is approximately 90% blockage in the dryer’s vent, causing overheating and longer drying times.

Can I fix LG dryer D90 error myself?

Yes, you can clean the lint filter and inspect the venting system, but ensure the dryer is unplugged before doing so.

How much does it cost to fix D90 error?

Repair costs for the D90 error typically range from $100 to $300, depending on the extent of the blockage and regional pricing.

When should I call a technician for D90?

Call a technician if the error persists after cleaning, if components are damaged, or if you notice unusual noises or smells.

Sources & References

Data last verified: 2026-01-11

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