KitchenAid Dishwasher Error Codes: F8 E4, Clean Light Blinks, 8-4 Guide

Quick Answer

KitchenAid dishwashers share the Whirlpool platform but have two critical differences that affect how fault codes behave. First, KitchenAid models with the third rack (KDTM/KDPE series) have an additional spray arm and diverter that creates unique fault scenarios not found on standard Whirlpool units. Second, the anti-flood float switch in KitchenAid units trips at a lower water level than equivalent Whirlpool models due to the shallower base tray profile, which is why F8 E4 (water supply / anti-flood) appears more frequently on KitchenAid. The blink code system (counting Clean light pulses) applies to all KitchenAid models without a numeric display and requires counting the pattern: blinks, 2-second pause, blinks again.

KitchenaidDishwasher

About These Kitchenaid Dishwasher Error Codes

KitchenAid dishwasher codes: F8 E4 means no water fill or anti-flood float tripped. E1 F9 means long drain. Clean light blinks indicate heater (7 blinks), thermistor (4 blinks), performance (8 blinks), and diverter (9 blinks) faults.

Most Common Error Codes

Anti-flood float switch tripped (F8 E4)40%

Drain hose kinked or drain filter clogged (E1 F9)24%

Diverter valve fault (9-1, Clean 9 blinks)22%

Heating element or thermistor failure (Clean 7 blinks, Clean 4 blinks)14%

Symptoms You May Notice

Alphanumeric code on display (F8 E4, E1 F9)
Clean light blinking in a pattern
Dishwasher stopping mid-cycle
Dishes not clean or not drying
Dishwasher not filling or not draining

Tools Required for Diagnosis

MultimeterTorx T20 screwdriverPhillips screwdriverFlashlight

How to Identify Your Error Code

Identify your KitchenAid dishwasher model number (on the door

Identify your KitchenAid dishwasher model number (on the door frame label, inside the door). Determine the code format: models with alphanumeric displays show F# E# codes; models with only indicator lights use Clean light blink codes. If you see Clean light flashing, count the blinks, wait for the 2-second pause, and count again - the two numbers together identify the fault.

For F8 E4 (most common KitchenAid code)

For E1 F9 (long drain)

For Clean light 7 blinks or 8-4 code (heating fault)

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
Heating ElementWPW10518394 · $35–$75	WPW10518394	$35 – $75
Drain PumpW10531320 · $45–$95	W10531320	$45 – $95
Water ThermistorWPW10134009 · $20–$40	WPW10134009	$20 – $40

Verify part fitment for your Kitchenaid model

Repair vs. Replace Calculator

Appliance Age (Years)7 Yrs

Labor Approach

Our Verdict

REPAIR

Estimated Cost: $58 (Parts) vs $1000 (New Machine)

Frequently Asked Questions

How do I read KitchenAid dishwasher blink codes?

On KitchenAid dishwashers without a numeric display, the Clean light blinks in two groups separated by a 2-second pause. Count the first group of blinks, count the second group, and that two-number combination identifies the fault. For example: 7 blinks, pause, 1 blink = fault code 7-1 (heater fault). The most common blink codes are 7 blinks (heater/heating element), 4 blinks (thermistor), 8 blinks (low wash performance / dirty filter), and 9 blinks (diverter valve).

Why does my KitchenAid dishwasher show F8 E4 so often compared to other brands?

KitchenAid dishwashers use a shallower base tray profile than standard Whirlpool units, which means the anti-flood float switch trips at a lower water volume. A small amount of condensation or a minor door seal drip that would not trigger F8 E4 on a standard Whirlpool can trigger it on a KitchenAid. Check the base pan float position before assuming the water inlet valve has failed.

How do I enter diagnostic mode on a KitchenAid dishwasher?

Open and close the dishwasher door 6 times within 12 seconds, ending in the open position. The control board will automatically sequence through diagnostic tests. All indicator lights cycle during the test sequence. This mode reads stored fault codes and tests individual components automatically.

Related Kitchenaid Dishwasher Error Codes

Code: F8 E4KitchenAid Dishwasher F8 E4 Error Code: Water Supply Fault Code: E1 F9KitchenAid Dishwasher E1 F9 Error Code: Long Drain Fault Code: CLEAN-7-BLINKKitchenAid Dishwasher Clean Light 7 Blinks: Heater Fault Code: 8-4KitchenAid Dishwasher 8-4 Error Code: Heater 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 HUB 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