What F Means
After thirty hours of fan operation the display shows F while the fan is running. Maytag explains this is the grease filter saturation reminder: the metal filters that catch cooking grease need washing. It is a timer, not a fault, and it does not measure how dirty the filters actually are.
Common Causes of F
- Thirty hours of fan run time since the last reset
- Filters genuinely saturated with cooking grease
- Alarm not reset after the last cleaning
🔧 One Safe Check You Can Try
Take out the metal grease filters and wash them, either in the dishwasher or in hot detergent solution. Let them dry thoroughly before refitting - a damp filter back in the hood drips onto the cooktop. Then reset the saturation alarm at the control, and the F clears. If your cooking is mostly frying, the filters will need washing before the reminder appears, so judge by how they look as well as by the display.
⚠ Why You Shouldn't Go Further Than That
- Let the cooktop cool before reaching over it to remove filters.
- Never run the hood with the filters out - the grease then goes straight into the blower and the ducting.
Opening a panel to inspect or repair something yourself doesn't automatically cancel your manufacturer's warranty — but it can risk accidental damage, and some manufacturers do have specific service conditions. Check your product's warranty terms, or ask us, before deciding.