Whirlpool identifies F9 E1 as a long-drain condition: the dishwasher cannot remove water in the expected time.
What F9 E1 means
Whirlpool identifies F9 E1 as a long-drain condition: the dishwasher cannot remove water in the expected time.
What you may notice
- Water remains in the tub
- The cycle stops before completion
- The pump runs a long time
- F9 E1 repeats after Cancel
Most likely causes
- 01A dirty filter
- 02A kinked or clogged drain hose
- 03A disposer knockout plug remains
- 04A blocked disposer or air gap
- 05Excess suds
Safe checks, in order
Start with the simplest non-invasive check. Stop as soon as the error clears; repeated resets can hide a condition without correcting it.
Clean the filter
Remove and rinse the dishwasher filter under running water.
Check the sink side
Clear the disposer or air gap and verify a new disposer connection is open.
Inspect the hose
Straighten accessible kinks and confirm correct routing.
Cycle power
After the drain path is clear, disconnect power for 30 seconds.
Know where to stop
Switch off power before reaching beneath the unit. Use care around broken glass in filters and disposers.
When to call a technician or support
Schedule service if the drain path is clear but the pump does not run or F9 E1 returns.
When you call, have the exact product or vehicle model, model year where relevant, the complete code or symbol, and when it appeared.
Where this information came from
We use the manufacturer's current published guidance as the starting point, then organize it into a safer, beginner-friendly sequence.
Whirlpool Product Help — F9 E1 dishwasher long drain Source last checked August 16, 2026. Manufacturer instructions and model manuals take priority over this independent summary.