Whirlpool Dryer Error Code AF — Error Code AF

Service Guy AI • Dryer • Medium severity • Intermediate skill • ~30 min repair

What Does Whirlpool Dryer Error Code AF Mean?

Whirlpool Dryer dryer: Error Code AF

This is a medium-severity fault. The machine may complete the current cycle but is signalling a problem you should resolve before it escalates.

Possible Causes (5)

Whirlpool Dryer engineers identify the following root causes for fault code AF. Work through them in the order shown — they are listed from most common to least common.

1. Blocked airflow due to lint buildup in the venting system
2. Faulty temperature sensor
3. Malfunctioning control board
4. Obstructed lint filter
5. Defective door interlock switch

Step-by-Step Troubleshooting (6 steps)

Follow this sequence to diagnose and clear Whirlpool Dryer error code AF. Power down and unplug the machine before any internal inspection.

1. Disconnect power before servicing the dryer.
2. Check and clean the lint filter.
3. Inspect the venting system for blockages and clean if necessary.
4. Test the temperature sensor for continuity.
5. Examine the door interlock switch for proper operation.
6. If issues persist, check the control board for any visible damage.

Required Parts

Have these Whirlpool Dryer OEM part numbers ready before starting the repair. AAdvantage Laundry Systems carries verified parts for every code in this database.

• Lint filter
• Temperature sensor
• Control board
• Vent duct
• Thermal fuse

Diagnostic Test Mode

Enter Whirlpool Dryer diagnostic test mode: Press and hold the 'Start' button while turning the cycle selector knob to 'Timed Dry' three times.

Skill Level & Repair Time

This repair is appropriate for an experienced laundromat owner or in-house technician. You should be comfortable removing service panels, reading wiring diagrams, and using a multimeter to test continuity and voltage. Plan for approximately 30 minutes of active repair time once parts are on hand.

Get AI-Powered Diagnosis

If the steps above don't resolve Whirlpool Dryer AF, run a free Service Guy AI diagnosis. Upload a photo of the error display and get an AI-generated repair plan tied to your exact Whirlpool Dryer model number, including supplier links for required parts and on-call technician escalation.

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