Whirlpool · Dishwasher Serious

F8E4 — (E4) — Water in the Base

F8E4 (shown as E4 on some models) means water was detected in the base/drip tray; the dishwasher runs a drain sequence and blocks operation to prevent a flood.

Keep using it?
Limited use only
DIY difficulty
Easy
Typical cost
$50-100
Verified against
producthelp.whirlpool.com ↗

The fix

Diverter motor

Diverter motor fault

$50-100 moderate difficulty 60 min Tools: screwdriver, nut driver

Diagnose first: Diverter directs water between upper and lower spray arms. If it sticks, you'll also see poor cleaning on one rack.

Find this part on Amazon →

As an Amazon Associate we earn from qualifying purchases.

How to fix it

  1. Unplug the dishwasher and check the fill-hose connection and washer for leaks.
  2. Tilt the unit back briefly to drain the base and reset the float.
  3. Use only dishwasher detergent — never dish soap.

Why it happens

Typical signs: Cycle will not run · Continuous draining · F8E4 or E4 shown

  • Loose water-supply connection An unseated fill-hose washer leaks into the base.
  • Disconnected float switch The base float switch is unplugged or stuck.
  • Excess suds Using regular dish soap creates suds that trip the sensor.

Other parts sometimes needed

If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.

  • Dishwasher Hose & Clamp Kit Common replacement
    Amazon →

More Whirlpool dishwasher codes

E1 E1 — Fill / Water Supply Problem (legacy code) E4 E4 — Overfill / Water in Drip Tray F1E1 F1E1 — Control Module Fault F1E2 F1E2 — Incompatible or Failed Control Board F2 F2 — Water leak detected F3E1 F3E1 — Thermistor/OWI Sensor Open

All Whirlpool codes → All dishwasher codes →

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician. Verified against manufacturer documentation: producthelp.whirlpool.com.