AF
What code AF means on a Whirlpool dishwashers, what causes it, and which part to check first.
● SEVERITY: LOW
Whirlpool AF means: Restricted airflow. The documented cause is: Clogged lint filter or blocked vent
What AF means
Restricted airflow
The display shows AF and the machine stops until the fault is cleared.
What the technical documentation says
Causes documented in the technical source published by faultcodedatabase.com
| DOCUMENTED CAUSE OR CHECK |
|---|
| Clogged lint filter or blocked vent |
Replacement parts
Tools you'll need
Before you open anything
Unplug the machine and close the water tap before removing any panel. The heating element and the wash water can stay hot long after the cycle ends.
What to check, in order
From the quickest check to the one that needs a technician.

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Frequently asked questions
What does AF mean on a Whirlpool?
Restricted airflow The documented cause is: Clogged lint filter or blocked vent
Can I fix AF myself?
It depends on the part involved: Clogged lint filter or blocked vent Clearing a filter or straightening a hose is within reach of anyone; anything behind a panel means mains electricity and water together — that is a job for a technician.
Does Whirlpool use other codes on this appliance?
Yes: we document 6 other codes for Whirlpool on this dishwashers. They are listed at the bottom of this page, each with its own meaning.
Does the same code mean the same thing on other brands?
Often not. The same two characters can point to completely different faults depending on the manufacturer — always check the page for your own brand.

