Dryer Lint Filter Troubleshooting (Troubleshooting Guide)

On this page

Quick answer
Confirm the symptom
Tools and prep
Step-by-step troubleshooting
Common causes table
Parts matching
When to call a pro
FAQ
Related guides

Quick answer

If your dryer isn't drying clothes properly, start by checking the lint filter. Clean it thoroughly and ensure it's properly seated. If the problem persists, inspect the venting system for blockages. Always unplug the dryer before performing any maintenance.

Confirm the symptom

Clothes take longer than usual to dry
Dryer stops mid-cycle
Burning smell while drying
Lint buildup around the dryer
Dryer overheats and shuts off

Tools and prep

Screwdriver (Phillips or flathead)
Vacuum cleaner with hose attachment
Lint brush or small brush
New lint filter (if needed)
Safety gloves
Unplug the dryer before starting any work

Step-by-step troubleshooting

Access the Lint Filter
Do: Locate the lint filter, usually at the top of the dryer or inside the door.
Observe: Check for any visible blockages or damage.
Means: Ease the filter out of its housing.
Next: Clean the Lint Filter
Clean the Lint Filter
Do: Remove lint from the filter using your hands or a brush.
Observe: Ensure all lint is removed.
Means: Use a vacuum to suck out any remaining lint.
Next: Inspect the Filter Housing
Inspect the Filter Housing
Do: Check the housing for any lint buildup.
Observe: Look for any signs of damage or blockages.
Means: Use a vacuum to clean the housing.
Next: Check the Venting System
Check the Venting System
Do: Disconnect the vent from the dryer.
Observe: Inspect for lint buildup or blockages.
Means: Use a vacuum to clean the vent.
Next: Reassemble and Test
Reassemble and Test
Do: Replace the lint filter and reconnect the vent.
Observe: Ensure everything is securely in place.
Means: Plug in the dryer and run a test cycle.
Next: Monitor Performance
Monitor Performance
Do: Observe the dryer during the test cycle.
Observe: Check for any unusual noises or smells.
Means: Ensure the clothes dry properly.
Next: End

Common causes

Cause	Likelihood	Difficulty	Part often needed
Clogged Lint Filter Prevents proper airflow, reducing drying efficiency.	Common	Easy	None
Blocked Venting System Restricts airflow, causing overheating and longer drying times.	Sometimes	Easy–Medium	None
Damaged Lint Filter Allows lint to bypass the filter, leading to blockages elsewhere.	Sometimes	Easy	New lint filter
Faulty Dryer Thermostat Can cause the dryer to overheat and shut off.	Rare	Medium	Thermostat
Worn-out Drive Belt Can cause the dryer to stop mid-cycle.	Rare	Medium	Drive belt
Malfunctioning Control Board Can lead to various operational issues.	Rare	Hard	Control board

Parts matching

If cleaning the lint filter and checking the venting system doesn't solve the problem, you might need to replace a part.

Lint filter
Vent hose
Thermostat
Drive belt
Control board

Always ensure you have the correct part number for your dryer model before purchasing replacements.

When to call a professional

If the dryer still doesn't work after troubleshooting
If you smell gas or see sparks
If the dryer makes loud, unusual noises
If you're not comfortable performing the repairs yourself
If the dryer is under warranty

FAQ

How often should I clean the lint filter?

Clean the lint filter before every load to maintain optimal dryer performance and safety.

Can a clogged lint filter cause a fire?

Yes, lint buildup can restrict airflow, causing the dryer to overheat and potentially start a fire.

What should I do if the lint filter is damaged?

Replace the lint filter with a new one designed for your dryer model.