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ErrBase

Whirlpool Dishwasher F6 E1 Error Code: Water Inlet Fault

Quick Answer

F6 E1 on a Whirlpool dishwasher means the tub did not fill within the expected window. On DTM platform models, the water inlet valve has an internal fine-mesh screen that catches sediment from the household supply. This screen clogs gradually and reduces flow without a complete blockage, causing intermittent or consistent F6 E1 codes.

F6 E1 on a Whirlpool dishwasher means the tub did not fill within the expected window. On DTM platform models, the water inlet valve has an internal fine-mesh screen that catches sediment from the household supply. This screen clogs gradually and reduces flow without a complete blockage, causing intermittent or consistent F6 E1 codes. Remove the inlet valve and clean or replace it before testing the solenoid. The solenoid coil should read 200-500 ohms; outside that range confirms valve failure.

WhirlpoolDishwasherSeverity: moderate87% DIY Success
Time to Fix
20–50 min
Difficulty
beginner
Parts Cost
$22 – $38
Tools Needed
Multimeter, Adjustable wrench

What Does the F6 E1 Code Mean?

The tub did not reach fill level in time. The inlet valve's internal screen is the most common culprit - it gradually reduces flow without fully blocking it, causing intermittent codes that worsen over time.

Most Likely Causes

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

Inlet valve internal screen clogged with sediment40%
Inlet valve solenoid failed (coil open or shorted)24%
Water supply valve under sink not fully open22%
Household water supply pressure below 20 PSI14%

Symptoms You May Notice

  • F6 E1 displayed at the start of a fill cycle
  • Dishwasher starts but no water heard entering the tub
  • Cycle aborts within the first 2-3 minutes
  • Intermittent fills on some cycles but not others

Can you reset a Whirlpool dishwasher to clear the F6 E1 code?

Hold Cancel/Drain for 3 seconds after restoring water flow. Restart a short cycle and observe whether the tub fills within 90 seconds.

Tools Required for Diagnosis

MultimeterAdjustable wrenchFlathead screwdriverTowels

Diagnostic Checklist

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

1

Open the cabinet under the sink

Open the cabinet under the sink. Confirm the dishwasher water supply valve is fully open (handle parallel to the pipe). Then listen to the dishwasher when a cycle starts - can you hear water entering the tub?

2

Shut off the water supply

3

Disconnect the solenoid wiring harness

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
Water Inlet ValveW10327249 · $22–$38

Repair vs. Replace Calculator

Appliance Age (Years)7 Yrs
Labor Approach
Our Verdict
REPAIR
Estimated Cost: $30 (Parts) vs $700 (New Machine)

Frequently Asked Questions

What is the minimum water pressure for a Whirlpool dishwasher?
Whirlpool requires 20-120 PSI at the inlet valve. If your home water pressure is below 20 PSI (common in older homes or during peak usage), the dishwasher will not fill fast enough and F6 E1 will trigger even with a working valve.
Is F6 E1 the same fault as E1 F6?
Yes, they are the same fill fault displayed in reversed order on different model generations. The diagnostic steps and replacement parts are identical.

Related Whirlpool Dishwasher Error Codes

Code: E1 F6Whirlpool Dishwasher E1 F6 Error Code: Water Inlet FaultCode: H2OWhirlpool Dishwasher H2O Error Code: No Water Fill DetectedCode: F8 E4Whirlpool Dishwasher F8 E4 Error Code: Wash Motor Fault

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 F6 E1 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