Statewide Appliance Spares Blog
Warning signs your dryer is failing (and what to do)
Your dryer might not be the hero of your home appliances, but when you need it most — especially during winter or rainy weather — you want it working properly. If your dryer is taking longer to dry clothes, not heating, or making strange noises, these are common warning signs your dryer may be failing. Identifying the problem early can help you avoid costly repairs, reduce energy bills and extend the life of your appliance.
Safety first!
Before attempting any repair:
- Unplug the dryer
- Allow it to cool completely
- Take photos before disconnecting components
1. Dryer not heating properly
Warning sign:
Clothes are still damp after a full cycle, even on high heat.
Why it matters:
Without heat, your dryer can’t remove moisture, leaving clothes damp. Running repeated cycles only increases wear on your unit and drives up your energy costs.
What to do:
Clean the lint filter thoroughly: Open the dryer door and remove the lint screen, roll off any excess lint with your fingers, then scrub the screen with a soft brush dipped in hot water and liquid detergent to remove residue build-up. Rinse it in hot water, allow it to dry completely, and then reinstall it back into the dryer.
Check out our guide: How often should you clean your dryer lint filter
Check external vents for blockages: Blocked vents restrict airflow, leading to prolonged drying times. To clear blocked vents, first unplug the dryer. Disconnect the vent hose and use a dryer vent brush with a vacuum to remove built-up lint from both ends. Clean the lint trap housing, hose and external vent to restore airflow and reduce fire risk.
If airflow is clear but there’s still no heat, the heating element or thermostat may be faulty.
Parts you might need:
Dryer heating element, thermal fuse, thermostat
DIY or call a pro?
Cleaning vents is easy DIY. Replacing heating components may require a qualified repair technician, depending on your confidence level.
2. Dryer taking much longer to dry clothes
Warning sign:
Cycles that once took 60 minutes now take 2–3 hours.
Why it matters:
Poor airflow or a failing heating component forces the dryer to work harder and longer (which also increases your energy costs).
What to do:
Check:
-
Lint filter – clean the lint filter thoroughly
-
Vent hose – Check and clear blockages
-
External vent outlet – Check for obstructions and dislodge lint and debris
· Restricted airflow is the most common cause.
*IMPORTANT* Disconnect the dryer from power and gas, if applicable, before checking and cleaning your vents.
If airflow is clear, the thermostat or heating element may be underperforming.
Parts you might need:
Dryer heating element, thermostat, thermal fuse, vent hose
DIY or call a pro?
Cleaning filters and vents is easy DIY task. Replacing a vent hose is usually straightforward. Heating elements and thermostats may require a technician, depending on your experience level.
3. Loud squeaking, grinding or thumping noises
Warning sign:
Your dryer suddenly becomes noisy during operation.
Why it matters:
Unusual noises often point to drive belt problems, worn rollers, idler pulleys or bearings.
What to do:
If you hear:
- Squeaking: It’s likely worn rollers. Unplug the dryer and check for worn or flattened rollers that may need replacing.
- Thumping: Usually a drum support or roller issue. Inspect rollers for flat spots and check the drum for uneven movement.
- Grinding: May indicate worn bearings. If the noise is coming from the rear of the drum and continues throughout the cycle, stop using the dryer and arrange repair.
Parts you might need:
Drum rollers, idler pulley, drum bearing
DIY or call a pro?
Mechanical parts like rollers and pulleys can be DIY for confident users. Bearing replacement is best left to a qualified service technician.
4. Drum not spinning
Warning sign:
You hear the motor running, but the drum isn’t turning.
Why it matters:
Without drum rotation, clothes won’t tumble and dry evenly. You will typically find your clothes stay damp. The motor may still run (listen for the humming noise) but the drum will not turn. In some instances, the dryer may shut off to prevent overheating.
What to do:
Inspect the drive belt: Unplug the dryer and remove the rear or top panel to check. If it has snapped, slipped off or looks worn, it will need replacing.
If the belt is still in place and intact, but the drum won’t turn, the motor may be worn or faulty (leave that task to a professional)
Parts you might need:
DIY or call a pro?
Drive belt replacement is often DIY-friendly. Motor replacement is best left to a technician.
5. Burning smell during operation
Warning sign:
You notice a hot or burning smell while the dryer is running.
Why it matters:
This can indicate lint buildup, overheating components or electrical issues. Dryer fires are often linked to poor airflow and lint accumulation.
What to do:
Turn off dryer: Turn off the dryer immediately and unplug it. Check and clean the lint filter, then inspect the vent hose and external vent for lint build-up or blockages. Make sure the dryer has proper airflow and isn’t overloaded.
Call a professional: If the burning smell continues after cleaning, stop using the appliance — it could indicate an overheating heating element, worn belt or electrical fault, which should be assessed by a technician.
Parts you might need:
Dryer heating element, thermostat, thermal fuse
DIY or call a pro?
Lint cleaning is essential DIY maintenance. Electrical issues require a technician.
6. Dryer shuts off mid-cycle
Warning sign:
The dryer starts but stops before the cycle finishes.
Why it matters:
This often indicates overheating. Many dryers automatically shut down when internal temperatures exceed safe limits.
What to do:
Check for blocked airflow: lean the lint filter thoroughly, inspect the vent hose for kinks, and clear any lint build-up from the external vent. Make sure the dryer isn’t overloaded, as heavy loads can also cause overheating.
Check out our guide: Why you should never overload your dryer
If the dryer continues to shut off mid-cycle after cleaning and allowing it to cool down, the thermal fuse, thermostat or heating element may be faulty and will likely need replacing.
Parts you might need:
Dryer heating element, thermostat, thermal fuse, vent hose
DIY or call a pro?
Cleaning filters and vents is straightforward DIY maintenance. Replacing a vent hose is usually simple. Thermal fuses and thermostats may be DIY for confident users, but electrical testing and heating element replacement are often best handled by a qualified repair technician.
DIY repairs you can tackle
- Cleaning lint filters and vents
- Replacing drive belts
- Replacing drum rollers
- Clearing airflow restrictions
When to call in the experts
- Motor replacement
- Electrical faults
- Bearing replacement
- Repeated overheating issues
Should you repair or replace?
Repair makes sense when:
- The dryer is under 10–12 years old
- Only one component has failed
- Repair cost is under $400–500
- The issue involves common wear parts (belt, rollers, thermostat)
Consider replacing when:
- The unit is 15+ years old
- Multiple major components are failing
- Repairs exceed 50% of replacement cost
For simple dryer repairs, DIY is typically a cost-effective and environmentally smart solution, that will keep your appliance working longer
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Useful guides
Warning signs your oven is failing (and what to do)
Warning signs your fridge is failing (and what to do)
Warning signs your washing machine is failing (and what to do)
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- Warning signs your washing machine is failing (and what to do)
- Warning signs your fridge is failing (and what to do)
- Warning signs your oven is failing (and what to do)
- Warning signs your dishwasher is failing (and what to do)
- Guide to common oven symbols, settings and functions
- 10 quick appliance repairs you can DIY in under 30 minutes!
- Tackling hard water problems with dishwasher softener salt
- New Year Appliance Check: 7 fixes to try before replacing your appliances
- More than just spares!
- 40 Years Strong! Celebrating Great Partnerships | Panasonic
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