Whirlpool Range Hood F — What It Means & How to Fix It

By Callum Griffin · Researched and verified against manufacturer and repair documentation · Reviewed September 2026

F on a Whirlpool range hood means the grease filter is due for washing after 30 hours of fan operation — wash and dry the metal filter, then press and hold FAN for 3 seconds to reset.

What this code means

Whirlpool says the display shows F when the fan is active after 30 hours of fan operation, meaning the grease filters should be washed. Clean the metal filter in the dishwasher or a hot detergent solution, let it dry thoroughly, refit it, and hold FAN for 3 seconds to reset. An F shown briefly for 3 seconds after holding + and − is confirmation that the charcoal alarm was disabled.

Whirlpool vent hoods with a display.

Most likely causes

CauseHow likelyDIY-fixable?
30 hours of fan use reached Very common Yes — wash filter

What you can try yourself

  1. Remove the metal grease filter.
  2. Wash it in the dishwasher or hot detergent solution.
  3. Let it dry thoroughly and refit.
  4. Press and hold FAN for 3 seconds to clear F.

When to call a technician

Typical professional repair cost: Free.

Frequently asked questions

What does F mean on a Whirlpool range hood?

The grease filter should be washed; it shows after 30 hours of fan operation.

How do I clean the grease filter?

In the dishwasher or a hot detergent solution, then dry thoroughly.

How do I reset F?

Press and hold FAN for 3 seconds.

Sources checked

Error meanings can vary by model. This guide was checked against the documentation above; use the manual for the model number on your own appliance when it differs.

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