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Whirlpool Dishwasher Error Codes: Complete Guide to Every Fault Code

Quick Answer

Whirlpool dishwashers display fault codes in two formats depending on the model year: newer models (post-2010) use alphanumeric codes like F8 E4 or E1 F9, while older pre-2010 models use blink sequences (e.g., 4 blinks then 3). The most common codes are F8 E4 (wash motor fault), E1 F9 or F9 E1 (drain timeout), and F6 E1 (water inlet fault).

Whirlpool dishwashers display fault codes in two formats depending on the model year: newer models (post-2010) use alphanumeric codes like F8 E4 or E1 F9, while older pre-2010 models use blink sequences (e.g., 4 blinks then 3). The most common codes are F8 E4 (wash motor fault), E1 F9 or F9 E1 (drain timeout), and F6 E1 (water inlet fault). Most codes can be cleared by holding Cancel/Drain for 3 seconds, but recurring codes require diagnosing the underlying component.

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About These Whirlpool Dishwasher Error Codes

Whirlpool dishwashers report faults through two code systems: F/E alphanumeric codes on digital-display models and blink sequences on older units. This guide covers every code with causes, fixes, and part numbers.

Most Common Error Codes

Clogged drain filter (most frequent cause of drain codes)40%
Failed water inlet valve (fill-related codes)24%
Worn or cracked wash motor impeller (motor fault codes)14%
Control board relay failure (relay and communication codes)12%
Defective heating element or thermistor (temperature codes)10%

Symptoms You May Notice

  • Alphanumeric code displayed on control panel
  • Clean or Start light blinking in a repeating pattern
  • Dishwasher stops mid-cycle
  • Cycle does not complete
  • No water, no heat, or no draining

Tools Required for Diagnosis

MultimeterTorx T20 screwdriverFlathead screwdriverNeedle-nose pliers

How to Identify Your Error Code

1

Write down the exact code displayed

Write down the exact code displayed. Note whether it is an F/E code or a blink pattern. Count blinks carefully if it is an older model.

2

Hold Cancel/Drain for 3 seconds to attempt a soft reset

3

For any drain-related code (E1 F9, F9 E1), pull and clean the

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
Wash MotorW10765009 · $80–$150
Drain PumpW10348269 · $28–$45
Water Inlet ValveW10327249 · $22–$38
Heating ElementW10518394 · $35–$65
Main Control BoardW10695459 · $150–$280
ThermistorW10057581 · $12–$22

Repair vs. Replace Calculator

Appliance Age (Years)7 Yrs
Labor Approach
Our Verdict
BORDERLINE
Estimated Cost: $146 (Parts) vs $700 (New Machine)

Frequently Asked Questions

Why does my Whirlpool dishwasher show two different code formats?
Whirlpool updated their diagnostic system around 2010. Models before that generation display fault codes as blinking light sequences (e.g., 4 blinks, pause, 3 blinks = 4-3). Post-2010 DTM platform models display alphanumeric codes like F8 E4 directly on the control panel.
How do I clear an error code on a Whirlpool dishwasher?
Hold the Cancel/Drain button for 3 seconds. If the code persists after restarting, the underlying fault has not been resolved and the component must be inspected.
What is the most common Whirlpool dishwasher error code?
E1 F9 and F9 E1 (drain timeout) are the most commonly searched codes. The fix is almost always cleaning the twist-lock filter cylinder at the bottom of the tub, which takes under 5 minutes.
Can I enter diagnostic mode to find hidden fault codes?
Yes. Press any 3 buttons (not Power) in the pattern A-B-C three times within 8 seconds. The dishwasher will close its door and cycle through self-tests, displaying any stored fault codes.

Related Whirlpool Dishwasher Error Codes

Code: F8 E4Whirlpool Dishwasher F8 E4 Error Code: Wash Motor FaultCode: E1 F9Whirlpool Dishwasher E1 F9 Error Code: Drain Timeout FixCode: F9 E1Whirlpool Dishwasher F9 E1 Error Code: Drain TimeoutCode: F6 E1Whirlpool Dishwasher F6 E1 Error Code: Water Inlet FaultCode: F7 E1Whirlpool Dishwasher F7 E1 Error Code: Heater Circuit FaultCode: E2 F2Whirlpool Dishwasher E2 F2 Error Code: Water Temperature Too LowCode: H2OWhirlpool Dishwasher H2O Error Code: No Water Fill DetectedCode: E4Whirlpool Dishwasher E4 Error Code: Thermistor FaultCode: E1 F6Whirlpool Dishwasher E1 F6 Error Code: Water Inlet FaultCode: E1 F1Whirlpool Dishwasher E1 F1 Error Code: Main Control Board Relay FaultCode: F8Whirlpool Dishwasher F8 Error Code: Motor Communication FaultCode: FA E4Whirlpool Dishwasher FA E4 Error Code: Door Switch and Motor FaultCode: F4 E3Whirlpool Dishwasher F4 E3 Error Code: Thermal Fuse FaultCode: 4-3Whirlpool Dishwasher 4-3 Blink Code: Water Heating Fault on Older Models

Same Fix Works on These Brands

Whirlpool 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 Whirlpool dishwashers with this error code. Common model numbers include:

WDT780SAEM, WDF550SAHZ, WDT730PAHZ, WDT750SAHZ, WDT970SAHZ, WDF518SAHM, WDT720PADE

Last verified for technical accuracy on March 14, 2026