KitchenAid · Dryer Moderate
F30 — Restricted Airflow / Long Vent
The dryer is detecting reduced airflow through the exhaust — usually a clogged lint screen, blocked vent, or excessively long duct run.
- Keep using it?
- Yes, with caution
- DIY difficulty
- Easy
- Verified against
- kitchenaid.com ↗
How to fix it
- Clean the lint screen and wash it with soapy water to remove softener film.
- Pull the dryer away from the wall and inspect the transition hose.
- Disconnect the duct and clean it with a vent brush kit.
- Inspect the exterior vent hood and clear obstructions.
- Run an empty Timed Dry cycle and confirm strong airflow at the outside vent.
Why it happens
Typical signs: F30 alert · Clothes take multiple cycles to dry · Dryer feels hot to the touch on the outside
- Clogged lint screen Fabric softener film coating reduces airflow even when 'clean'
- Lint-blocked exhaust duct Buildup in the wall vent or external hood
- Crushed or kinked transition hose Foil/plastic hose pinched behind the dryer
- Blocked exterior vent flap Lint, bird nest, or stuck flapper
Parts you may need
If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.
More KitchenAid dryer codes
Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician. Verified against manufacturer documentation: kitchenaid.com.