Whirlpool Washer Error Code dET: How to Fix It

Easy 10-15 minutes Low Severity Verified June 2026
Error Code
dET
Brand
Whirlpool
Product Type
washer
Severity
Low
DIY Difficulty
Easy
Estimated Fix Time
10-15 minutes
The dET error code on your Whirlpool washer means the detergent cartridge isn't being detected properly. This typically happens when the cartridge is missing, improperly installed, or the cartridge contacts need cleaning.
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Tools You'll Need

How to Fix Error Code dET

  1. Unplug the washer

    Always unplug appliances before performing any maintenance to prevent electrical shock.
  2. Check for detergent cartridge

  3. Remove and inspect the cartridge

  4. Clean the cartridge contacts

  5. Reinstall or replace the cartridge

  6. Test the washer

Parts You May Need

Detergent cartridge
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Detergent dispenser assembly
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Detergent cartridge
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Detergent dispenser assembly
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Detergent cartridge
Check Price on Amazon
Detergent dispenser assembly
Check Price on Amazon
Detergent cartridge
Check Price on Amazon
Detergent dispenser assembly
Check Price on Amazon
Detergent cartridge
Check Price on Amazon
Detergent dispenser assembly
Check Price on Amazon
Detergent cartridge
Check Price on Amazon
Detergent dispenser assembly
Check Price on Amazon
Detergent cartridge
Check Price on Amazon
Detergent dispenser assembly
Check Price on Amazon
Detergent cartridge
Check Price on Amazon
Detergent dispenser assembly
Check Price on Amazon
Detergent cartridge
Check Price on Amazon
Detergent dispenser assembly
Check Price on Amazon
Detergent cartridge
Check Price on Amazon
Detergent dispenser assembly
Check Price on Amazon
Detergent cartridge
Check Price on Amazon
Detergent dispenser assembly
Check Price on Amazon
Detergent cartridge
Check Price on Amazon
Detergent dispenser assembly
Check Price on Amazon
Detergent cartridge
Check Price on Amazon
Detergent dispenser assembly
Check Price on Amazon
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When to Call a Professional

Call a professional if the error persists after trying multiple cartridges, if the dispenser housing appears damaged, or if you notice electrical issues with the washer's control panel.

Frequently Asked Questions

Can I use my Whirlpool washer without a detergent cartridge?
No, if your Whirlpool washer is designed for cartridge detergent, it requires a cartridge to operate. You cannot bypass this system or use regular liquid detergent in the main tub.
How long do Whirlpool detergent cartridges last?
Whirlpool detergent cartridges typically last for 20-26 loads, depending on the load size and soil level settings. The washer will display a low detergent warning before the cartridge runs out.
Why does my Whirlpool washer keep showing dET error with a new cartridge?
This usually indicates dirty contacts or improper installation. Clean both the cartridge and dispenser contacts thoroughly, ensure the cartridge clicks securely into place, and verify you're using a compatible Whirlpool cartridge.
Where can I buy replacement detergent cartridges for my Whirlpool washer?
Whirlpool detergent cartridges are available at appliance stores, home improvement stores, online retailers, and directly from Whirlpool. Make sure to purchase cartridges specifically designed for your washer model.
What should I do if the cartridge contacts look corroded?
If contacts are severely corroded or damaged, the dispenser assembly may need replacement. Try gentle cleaning with a dry cloth first, but significant corrosion typically requires professional service.