Source-backed error-code guide

Reviewed

Maytag Dryer AF / F4 E3 Error Code

Maytag says AF or F4 E3 indicates that the lint screen or vent may be clogged, crushed, kinked, or have too many turns. The dryer may continue to run while the alert is displayed.

Applies to Maytag dryer

What the appliance detected

Detected condition

The Maytag dryer reports restricted airflow.

What may contribute

Possible causes

  • Lint screen restriction.
  • A crushed, kinked, clogged, or overly long vent path.
  • A vent system with too many turns.

Start conservatively

Safe preliminary checks

Work in order and stop whenever a step is not supported by the documentation for your model.

  1. Record the exact dryer display

    • Photograph or write down the code or message before clearing it.
    • Confirm the full model number and owner manual because dryer codes and controls vary by model.
  2. Use only documented external checks

    • Clean the lint screen.
    • Check only the accessible vent run from the dryer to the wall for crushing, kinks, lint, or debris.
    • Confirm the exterior vent hood is free of visible lint and debris, and use the installation instructions for vent length and elbow limits.
  3. Stop before hazardous dryer work

    • If the code remains or returns after documented checks, request service.
    • Do not open panels, access internal wiring or heating parts, service gas components, or bypass thermal protections.

Actions not recommended

  • Do not test live voltage or open internal electrical areas.
  • Do not perform gas-valve, burner, heating-element, control-board, or thermal-limiter repair.
  • Do not treat the code as proof that one specific internal component failed.

When to stop and request service

  • The alert returns after accessible lint and vent checks.
  • The home vent run is hidden, damaged, crushed, or cannot be safely inspected.
  • There is burning smell, excessive heat, smoke, or gas odor.

Documented source

Official information reviewed

Our summary is based on manufacturer support material and stays within the limits of that material.

Source reviewed by Appliance Help HQ: August 18, 2026.

Appliance Help HQ is an independent informational site and is not affiliated with or endorsed by Maytag.

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