FixByModel
F9E1

KitchenAid F9E1: Long drain; dishwasher not draining

F9E1 means the dishwasher took too long to drain or did not drain fully during the cycle. Standing water is usually caused by a clog, a kinked hose, or a disposer knockout plug left in place.

DIY fix

By the FixByModel editorial team · Verified 2026-09 · Researched against manufacturer support & repair references (below)

Most likely causes

  1. Garbage disposer knockout plug not removed on a new install
  2. Clogged or dirty filter trapping food debris
  3. Kinked, pinched, or clogged drain hose
  4. Blocked garbage disposer or air gap
  5. Non-dishwasher soap creating excess suds
The drain path — check in this order
1Tub
2Filter / sump
3Drain pump
4Drain hose
5Disposer / standpipe

Schematic illustration of a typical dishwasher — not your exact model.

Before you start — unplug the appliance and turn off the water supply. You'll be working near water and electrical parts, and drained water can be hot. If a step involves the pump, wiring, or opening the cabinet and you're unsure, stop and call a qualified technician.

Step-by-step fix

1Clean the filterPull out the filter assembly and rinse it under running water to clear away trapped food and debris.
2Check the drain hoseStraighten any kinks and clear clogs in the hose running between the dishwasher and the sink or disposer.
3Verify the disposerOn a new installation, confirm the disposer knockout plug was removed and that the disposer itself is clear.
4Clear the air gapIf an air gap is fitted at the sink, remove its cap and clean out any blockage inside.
5Reset powerSwitch off the breaker or unplug the dishwasher for 30 seconds, restore power, and run a short cycle to retest.

Still showing F9E1?

If you’ve worked through every step and F9E1 keeps returning, an internal part likely needs testing and replacement. That’s a job for a qualified appliance technician, who can measure the suspect part against the service-manual spec before replacing it.

Which models this applies to

KitchenAid dishwashers. KitchenAid dishwashers on the Whirlpool F#E# control platform (2010s-present)

FAQ

What does KitchenAid F9E1 mean?

Long drain; dishwasher not draining. F9E1 means the dishwasher took too long to drain or did not drain fully during the cycle. Standing water is usually caused by a clog, a kinked hose, or a disposer knockout plug left in place.

What causes KitchenAid F9E1?

The most likely cause is garbage disposer knockout plug not removed on a new install. Other causes include Clogged or dirty filter trapping food debris; Kinked, pinched, or clogged drain hose; Blocked garbage disposer or air gap; Non-dishwasher soap creating excess suds.

Can I fix KitchenAid F9E1 myself?

Usually yes. Start by working through the steps above, beginning with: pull out the filter assembly and rinse it under running water to clear away trapped food and debris.