KitchenAid / Whirlpool Dishwasher F9 E1 & F8 E4 Error: Drain Pump (#W10876537)
Quick Answer: On a KitchenAid, Whirlpool, or Maytag dishwasher, error code F9 E1 means the dishwasher is not draining within the allowed time (failed Drain Pump #W10876537), while F8 E4 means water leaked into the front lower drip tray float switch.
⚠️ F8 E4 Float Tray Trick: On newer KitchenAid and Whirlpool dishwashers, the leak tray isn't under the whole machine—it is a small rectangular plastic cup right behind the front kickplate! You can pull that cup out from the front in 30 seconds without moving the dishwasher.
#1 Most Common Fix: Whirlpool / KitchenAid OEM Drain Pump
Official OEM Part Number: #W10876537
⏱️ Install Time: 15 Minutes (Quarter-turn twist lock behind kickplate) | 💰 Avg Cost: $32.00 – $44.00
Step 1: Free 2-Minute Reset & Test
- For F8 E4: Remove the front bottom kickplate, unclip the small black rectangular drip tray at the front center, dump out the water, dry the float switch, and run a cycle with fewer suds.
- For F9 E1: Check the garbage disposal knockout plug and sink air gap for food blockages.
- To clear F9 E1 or F8 E4: Press any 3 keys in sequence (1-2-3, 1-2-3, 1-2-3) within 8 seconds to enter diagnostic reset mode.
Step 2: Symptom & Part Number Lookup Table
| Symptom | Required OEM Part | Difficulty & Cost | Action |
|---|---|---|---|
| Water stays in the bottom of the KitchenAid/Whirlpool tub and F9 E1 flashes Cause: Burned out Twist-Lock Drain Pump Motor | Whirlpool / KitchenAid Drain Pump#W10876537 | Easy DIY (15 min) Est: $35.99 | Check Price on Amazon → |
| Water drips from the center of the sump into the front F8 E4 float tray Cause: Leaking Diverter Motor Shaft Seal in sump | Whirlpool Sump & Diverter Seal Grommet#WPW10195677 | Moderate DIY (25 min) Est: $12.99 | Check Price on Amazon → |
Frequently Asked Questions
Does drain pump #W10876537 replace #W10724439 on KitchenAid dishwashers?
Yes, #W10876537 is the official factory replacement for W10724439 and AP6004843 across KitchenAid, Whirlpool, and Maytag dishwashers.