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Whirlpool·Dryermedium severity
Whirlpool Error Code AF
Restricted airflow
Common Causes
- 1Clogged lint filter
- 2Blocked vent
Restricted dryer vents are the leading cause of residential dryer fires. Clean your dryer vent at least annually. If the exterior vent flap does not open when the dryer runs, the vent is blocked.
Step-by-Step Troubleshooting
- 1
Remove and clean the lint filter thoroughly — wash with soap and water if coated with dryer sheet residue
- 2
Disconnect the exhaust vent hose from the back of the dryer and check for lint accumulation
- 3
Clean the full vent run from the dryer to the exterior wall cap — use a dryer vent brush kit
- 4
Check the exterior vent cap/flap for blockage from lint, bird nests, or debris
- 5
Ensure the vent run is not longer than 25 feet equivalent (subtract 5 ft for each 90-degree elbow)
Pro Diagnostic Tip
The AF code is a safety feature — restricted airflow causes overheating and is the leading cause of dryer fires. Sacramento area homes with second-floor laundry rooms often have long vent runs with multiple elbows that exceed the 25-foot equivalent maximum. Consider rerouting the vent or installing a dryer vent booster fan for runs over 25 feet.
You Might Also Notice
- •Clothes take two or more cycles to dry
- •Dryer exterior is very hot to the touch
- •Laundry room feels humid during drying
- •Lint visible around the dryer door seal
- •Musty smell on dried clothes
Parts, Cost & Difficulty
Repair Difficulty
Easy — DIY FriendlyEstimated Repair Cost
$0–$150
Parts + labor. Free diagnosis with repair.
Do You Have the Right Tools?
Gas leak detector ($130), thermal fuse tester ($95), belt tension gauge, and vent inspection camera ($180). Our technician arrives with $15K+ in professional tools — your diagnostic is free.
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What This Repair Involves
Here's what a professional technician does to resolve this issue:
Clean lint filter and check vent system
This repair requires gas leak detectors, thermal fuse testers, and high-voltage multimeters. Most homeowners find it safer and more cost-effective to have a licensed technician handle it.
Safety First — Know the Risks
Gas dryers carry carbon monoxide and explosion risk. Even electric dryers involve 240V circuits that can deliver a fatal shock. Our techs are licensed and insured — let them handle the risk.
Licensed & Insured · 90-Day Warranty · Same-Day Service
Ready to Get This Fixed?
Don't let error code AF disrupt your day. A professional diagnosis takes about 30 minutes — and it's free when you proceed with the repair.
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Frequently Asked Questions
What does Whirlpool error code AF mean?
Whirlpool error code AF indicates: Restricted airflow. This is a medium-severity issue affecting your dryer.
How do I fix Whirlpool error code AF?
Remove and clean the lint filter thoroughly — wash with soap and water if coated with dryer sheet residue Then, Disconnect the exhaust vent hose from the back of the dryer and check for lint accumulation Then, Clean the full vent run from the dryer to the exterior wall cap — use a dryer vent brush kit There are 2 more steps — see the full troubleshooting guide above. If these steps don't resolve the error, contact a professional.
How do I know if my dryer has error AF?
Besides the error code on the display, common signs include: Clothes take two or more cycles to dry; Dryer exterior is very hot to the touch; Laundry room feels humid during drying. If you notice any of these symptoms, check your dryer's display panel for error code AF.
How much does it cost to fix Whirlpool AF?
Repair costs for Whirlpool AF typically range from $0 to $150 depending on the specific cause and parts needed. EasyBear offers free diagnosis when you proceed with the repair. Call (415) 795-7300 for a same-day appointment.