F30 Moderate Easy DIY

KitchenAid Dryer F30 — Restricted Airflow / Long Vent

KitchenAid Dryer · Error code F30

What F30 Means

The dryer is detecting reduced airflow through the exhaust — usually a clogged lint screen, blocked vent, or excessively long duct run.

Symptoms

  • F30 alert
  • Clothes take multiple cycles to dry
  • Dryer feels hot to the touch on the outside

Common Causes

1
Clogged lint screen

Fabric softener film coating reduces airflow even when 'clean'

2
Lint-blocked exhaust duct

Buildup in the wall vent or external hood

3
Crushed or kinked transition hose

Foil/plastic hose pinched behind the dryer

4
Blocked exterior vent flap

Lint, bird nest, or stuck flapper

How to Fix It

  1. Clean the lint screen and wash it with soapy water to remove softener film.
  2. Pull the dryer away from the wall and inspect the transition hose.
  3. Disconnect the duct and clean it with a vent brush kit.
  4. Inspect the exterior vent hood and clear obstructions.
  5. Run an empty Timed Dry cycle and confirm strong airflow at the outside vent.

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.

Common replacement Dryer vent cleaning brush kit View on Amazon→ Common replacement Semi-rigid aluminum transition hose View on Amazon→

More KitchenAid Dryer Codes

AF AF — Airflow Restriction E1 E1 — Thermistor Open Circuit E2 E2 — Thermistor Shorted F01 F01 — Main Control Board Failure F22 F22 — Exhaust Thermistor Fault F23 F23 — Exhaust Thermistor Shorted

All KitchenAid codes → All dryer codes →

Verified against manufacturer documentation: kitchenaid.com

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician.