KitchenAid Dishwasher Not Draining - Causes & Fix

KitchenAid Dishwasher Not Draining — What’s Happening

When a KitchenAid dishwasher does not drain, standing water remains in the tub after the cycle ends. On many KitchenAid and Whirlpool-family dishwashers, this symptom can trigger fault code F9E1 or error 8-2, which repair sources associate with a drain pump electrical fault rather than a simple clog. If the dishwasher drains only when you manually run Cancel/Drain but not during the normal end-of-cycle drain, the control board or related wiring may not be energizing the pump correctly.

The most common causes are physical blockages in the filter, sump, drain hose, air gap, or garbage disposal inlet. If those paths are clear and the pump is still not running, the drain pump itself may have failed electrically or mechanically, or the control board may not be sending power to the pump.

Jump to Fix

Most Likely Causes

• Clogged filter or sump screen Food debris and sediment restrict water flow through the drain path.
• Blocked or kinked drain hose The hose may be crushed, kinked, or obstructed internally, preventing water from leaving the tub.
• Air gap or garbage disposal inlet blockage If the air gap or disposal inlet is clogged, water backs up and cannot drain from the dishwasher.
• Faulty drain pump The pump may be mechanically jammed or electrically open, so it does not run when energized.
• Wiring harness or connector problem Loose or corroded connections between the control board and drain pump prevent the pump from receiving power.
• Control board not energizing the pump If the pump is good but the control does not send voltage during the drain command, the board or logic is at fault.

How to Diagnose and Fix

1. Unplug the dishwasher or turn off the breaker before any service work.
2. Remove standing water with a cup or wet-vac so you can inspect the sump, filter, and drain path.
3. Pull out and clean the filter and sump screen, removing all food debris and sediment.
4. Check the air gap on the countertop (if installed) and the garbage disposal inlet for blockages, and clear as needed.
5. Inspect the drain hose from the dishwasher to the sink or disposal for kinks, crush points, or internal obstruction.
6. Restore power and run a Cancel/Drain cycle to see if the pump operates. If it does, the issue may be control-related rather than a blockage.
7. Access the drain pump, then measure for voltage at the pump terminals during a drain command. If voltage is present and the pump does not run, the pump is failed. If no voltage, check the wiring harness and control board.
8. If the pump does not show continuity with a multimeter, replace the pump. If continuity is good but no voltage arrives, inspect the harness and control board output.

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Related Error Codes

If your appliance also shows a code on the display, these match this problem:

• Kitchenaid Dishwasher F1E1 error code
• Kitchenaid Dishwasher F1E2 error code
• Kitchenaid Dishwasher F2E2 error code
• Kitchenaid Dishwasher F3E1 error code
• Kitchenaid Dishwasher F3E2 error code
• Kitchenaid Dishwasher F4E3 error code
• Kitchenaid Dishwasher F5E1 error code
• Kitchenaid Dishwasher F6E1 error code
• Kitchenaid Dishwasher F6E2 error code
• Kitchenaid Dishwasher F6E3 error code
• Kitchenaid Dishwasher F6E4 error code
• Kitchenaid Dishwasher F7E1 error code

When to Call a Pro

If you have cleared the filter, hose, air gap, and disposal inlet and the dishwasher still does not drain, or if you are not comfortable testing electrical components with a multimeter, call a technician. Diagnosis often requires measuring voltage at the pump during a drain command and tracing back through the wiring harness and control board. If error code F9E1 or 8-2 persists after clearing blockages, professional diagnostics will pinpoint whether the pump, wiring, or control board is at fault.