Samsung Dryer: musty smell, longer drying time

Professional Repair Guide

What is this symptom?

Experiencing a musty smell and longer drying times in your Samsung dryer? This common issue often arises from lint buildup, moisture retention, or poor ventilation. Understanding the causes can help you restore freshness to your laundry and ensure efficient drying.

Urgency: Medium

Important Tips for Samsung Models

  • Official Samsung guidance lists lint trap and exhaust vent cleaning as causes of odors; mold/mildew odors may originate from damp clothes rather than machine defect.

Possible Causes

Lint buildup in lint trap and internal housing

How to Identify: Visible lint on lint screen, reduced airflow, clothes still damp at cycle end

Part: Lint filter and lint trap housing

Moisture buildup from leaving wet clothes inside too long

How to Identify: Musty smell only when wet clothes were left sitting before drying

Part: Drum interior

Poor laundry room ventilation/high humidity

How to Identify: Humidity in room, condensation on walls or dryer, musty odors persist even after cleaning lint and vent

Part: Laundry environment

Mold or mildew growth inside dryer components

How to Identify: Persistent mildew smell after cleaning lint and vent, visible residue in drum crevices

Part: Drum, seals, gaskets

DIY Solutions

Clean lint filter and lint trap housing

Easy 10-15 minutes
Tools Needed: vacuum with brush attachment
  1. Remove lint filter and clear lint by hand.
  2. Use vacuum with narrow attachment to clean lint trap housing.
  3. Replace filter and run a short cycle to check airflow.
⚠️ Safety First: Ensure dryer is off before cleaning lint trap housing

Inspect and clean dryer vent duct

Moderate 30-60 minutes
Tools Needed: vacuum with long hose, dryer vent cleaning brush kit
  1. Unplug dryer and pull it away from wall.
  2. Disconnect vent hose from dryer and outdoor vent.
  3. Use vacuum and brush to remove lint/debris from vent hose and pipe.
  4. Reattach vent, ensure secure fitting, and test dryer.
⚠️ Safety First: Wear a mask; lint dust can irritate

Avoid leaving wet clothes inside dryer

Easy ongoing habit
  1. Transfer clothes to dryer immediately after washer finishes.
  2. Start dryer promptly to prevent moisture buildup.

Improve laundry room ventilation

Easy 10 minutes
  1. Open windows or use a fan to reduce humidity.
  2. Ensure room has adequate airflow during drying cycles.

Clean drum interior for mildew

Moderate 15-30 minutes
Tools Needed: damp cloth, mild detergent or vinegar solution
  1. Unplug dryer.
  2. Wipe down drum, door seal and crevices with cloth and vinegar mix.
  3. Leave door open to air dry completely.
⚠️ Safety First: Disconnect power before cleaning

Professional Repairs

Professional dryer vent cleaning

Estimated Cost: $125 - $250

Inspection and repair of internal moisture/airflow components

Estimated Cost: $150 - $400

When to Call a Professional

Cannot access or clear dryer vent obstruction
Musty smell persists after thorough cleaning
Visible mold growth or water damage around dryer
Suspected animal or debris deep in venting system

Preventive Maintenance

  • Clean lint filter: Lint buildup, musty smells, reduced airflow
    Frequency: after every load
  • Clean dryer vent: Blocked airflow and moisture retention
    Frequency: annually or more if high use
  • Wipe drum interior: Mold/mildew formation
    Frequency: monthly

Frequently Asked Questions

Why is my Samsung Dryer Musty smell, longer drying time?
Common causes include lint buildup in the trap, moisture from wet clothes, and poor ventilation.
How do I fix Samsung Dryer Musty smell, longer drying time myself?
Clean the lint filter, inspect the vent duct, and avoid leaving wet clothes inside.
How much does it cost to fix Musty smell, longer drying time?
Professional repairs can cost between $125 - $400 depending on the service needed.
When should I call a technician for Musty smell, longer drying time?
If DIY solutions fail or if there are signs of mold or internal issues, it's time to call a professional.

References & Sources

Community Analytical Insights

Analysis based on real user discussions from appliance repair communities

Can I Fix This Myself?

100%
DIY Success Rate Difficulty: DIY

Common Issues Reported by Users

  • Clogged vent and lint trap (2 mentions)

User Suggested Solutions

  1. Clean the vent and lint trap to remove clogs

    Success rate: 100.0%
Analysis based on 2 community discussions
View Sources

Data compiled from real discussions on r/appliancerepair and r/Appliances:

  1. Dryer Smelling Musty
  2. Dryer Smelling Musty

Community Discussions

dryer smelling musty, clothes taking longer to dry

Check and clean the vent and lint trap to remove clogs.

dryer smelling musty, clothes smelling musty, taking longer to dry

Wet lint buildup was removed from the hot air circulation channel.

Source: Reddit r/appliancerepair

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