KitchenAid Dishwasher E4 F8 Error Code: Same as F8 E4 - Water Supply Fault

Quick Answer

KitchenAid E4 F8 is the alternate display order for the F8 E4 water supply / anti-flood fault, and both represent the same diagnostic path. The brand-specific angle remains: KitchenAid's shallower base pan trips the anti-flood float at a lower water volume than Whirlpool units on the same platform. If you searched E4 F8 specifically, your KitchenAid model's software displays the function code (E4 = flood float) before the fault code (F8 = fill time exceeded), while other models show it reversed. The repair is identical: check the base pan float first, then the water inlet valve, then supply pressure.

KitchenaidDishwasherSeverity: medium80% DIY Success

Time to Fix

20–75 min

Difficulty

beginner

Parts Cost

$12 – $55

Tools Needed

Multimeter, Flashlight

What Does the E4 F8 Code Mean?

E4 F8 on a KitchenAid dishwasher is the same fault as F8 E4 - water supply or anti-flood float. The display order differs by model. Same repair: check base pan float first.

Most Likely Causes

Based on aggregated repair data, here is the probability breakdown for this error code:

Anti-flood float raised by condensation in KitchenAid shallow base tray40%

Water inlet valve solenoid failure24%

Supply hose kinked or supply valve closed22%

Water supply pressure below 20 PSI14%

Symptoms You May Notice

E4 F8 displayed on KitchenAid control panel
Dishwasher will not start or stops immediately at fill stage
No water entering the dishwasher tub
Cycle runs but dishes remain dry

Can you reset a Kitchenaid dishwasher to clear the E4 F8 code?

After resolving the fill fault (drying base pan, correcting supply, or replacing inlet valve), press Cancel/Drain. Disconnect power for 60 seconds, restore, and run a test cycle. E4 F8 should not return if the root cause was addressed.

Tools Required for Diagnosis

MultimeterFlashlightPhillips screwdriver

Diagnostic Checklist

Follow these steps in order. We start with the easiest external fixes before opening up the machine.

Remove the kick plate and inspect the base pan with a flashlight

Remove the kick plate and inspect the base pan with a flashlight. On KitchenAid dishwashers with the shallower base tray profile, even minor condensation accumulation can raise the anti-flood float and trigger E4 F8. If the float is raised or any moisture is visible, dry the pan completely and push the float down.

Confirm the water supply valve under the sink is fully open

Disconnect power

Replacement Parts

If your diagnostic testing proves the component has failed, you will need a replacement. We recommend OEM parts over aftermarket for water-handling components.

Part Name	OEM Number	Estimated Price
Water Inlet ValveW10327249 · $25–$55	W10327249	$25 – $55
Anti-Flood Float SwitchW10195040 · $12–$25	W10195040	$12 – $25

Verify part fitment for your Kitchenaid model

Repair vs. Replace Calculator

Appliance Age (Years)7 Yrs

Labor Approach

Our Verdict

REPAIR

Estimated Cost: $34 (Parts) vs $1000 (New Machine)

Frequently Asked Questions

Why does my KitchenAid show E4 F8 while other models show F8 E4 for the same problem?

The display order depends on the firmware version loaded on the control board. Some KitchenAid dishwasher models show the function code (E4 = flood detection) first; others show the fault code (F8 = fill fault) first. The underlying fault, diagnosis, and repair are identical regardless of which order the code appears on your display.

Is E4 F8 always a water supply problem on a KitchenAid dishwasher?

Not always. E4 F8 covers two distinct scenarios: a water fill failure (inlet valve, supply pressure, supply valve) and an anti-flood float trigger (water in the base pan raising the float). Check the base pan first since the KitchenAid shallow tray profile makes the float more sensitive than Whirlpool units. Many E4 F8 cases resolve by simply drying the base pan and pushing the float down.

How do I reset E4 F8 on my KitchenAid dishwasher?

Press Cancel/Drain to clear the current cycle. Address the underlying cause (dry base pan, check supply valve, or replace inlet valve). Disconnect power for 60 seconds and restore. Run a short rinse cycle to confirm the dishwasher fills properly and E4 F8 does not return.

Related Kitchenaid Dishwasher Error Codes

Code: HUBKitchenAid Dishwasher Error Codes: F8 E4, Clean Light Blinks, 8-4 Guide Code: F8 E4KitchenAid Dishwasher F8 E4 Error Code: Water Supply Fault Code: E1 F9KitchenAid Dishwasher E1 F9 Error Code: Long Drain Fault

Same Fix on Other Brands

Whirlpool F8 E4:

Same Fix Works on These Brands

Kitchenaid shares the same hardware platform with these brands. The diagnosis and repair steps are identical.

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Models Known to Experience E4 F8 Errors

This repair applies to most Kitchenaid dishwashers with this error code. Common model numbers include:

KDTM304ESS, KDTM354ESS, KDPE234GPS, KDTE234GPS, KDFE104HPS

Last verified for technical accuracy on March 14, 2026