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Kenmore·Dryermedium severity
Kenmore Dryer Error Code AF or "Check Vent"
The Check Vent indicator is a feature available for Automatic Cycles only on certain models.
Common Causes
- 1An AF (Restricted Air Flow) or "Check Vent" error code indicates that the lint screen or vent is clogged; the vent is crushed, kinked or has too many turns.
Step-by-Step Troubleshooting
- 1
Run the dryer for 5-10 minutes.
- 2
If the air movement is less than a hair dryer on high speed, clean the lint from the entire length of the system and the exhaust hood.
- 3
Clean the lint screen
- 4
Check whether the vent run from the dryer to the wall is crushed or kinked.
- 5
Confirm that the vent run from the dryer to the wall is free of lint and debris.
- 6
Confirm that the exterior vent exhaust hood is free of lint and debris.
- 7
Confirm that your vent system falls within the recommended run length and number of elbows for the type of vent you are using.
- 8
Select a Timed Dry heated cycle and restart the dryer.
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 $3,000+ 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:
Run the dryer for 5-10 minutes.
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.
Let a Licensed Pro Handle ItOr call for a free consultation (415) 795-7300Available 24/7 — call or text
Licensed & Insured · 90-Day Warranty · Same-Day Service
Ready to Get This Fixed?
Don't let error code AF or "Check Vent" 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 Kenmore error code AF or "Check Vent" mean?
Kenmore error code AF or "Check Vent" indicates: The Check Vent indicator is a feature available for Automatic Cycles only on certain models.. This is a medium-severity issue affecting your dryer.
How do I fix Kenmore error code AF or "Check Vent"?
Run the dryer for 5-10 minutes. Then, If the air movement is less than a hair dryer on high speed, clean the lint from the entire length of the system and the exhaust hood. Then, Clean the lint screen There are 5 more steps — see the full troubleshooting guide above. If these steps don't resolve the error, contact a professional.
How much does it cost to fix Kenmore AF or "Check Vent"?
Repair costs for Kenmore AF or "Check Vent" typically range from $100 to $500 depending on the specific cause. EasyBear offers free diagnosis when you proceed with the repair. Call (415) 795-7300 for a same-day appointment.
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