Whirlpool dishwasher code F8 E4: water in the drip tray

What it means

The float switch has found water in the tray underneath the dishwasher.

What to try

Unplug the dishwasher before any step beyond a quick look, and turn the water off before touching hoses.

1. Empty the drip tray.
2. Check that the float switch is connected.
3. Check the water connections for leaks.

Call a technician if

Resetting a Whirlpool dishwasher

Whirlpool’s power cycle: disconnect the dishwasher for 30 seconds. Unplug it if it plugs in; if it’s hardwired, switch off its breaker at the electrical panel. Then restore power.

Still stuck?

Dishwasher leaking: full Fix Finder5 checks for any brand, quickest first.

Sources