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Error code · Washer

Whirlpool Front-Load Washer Code dET: Detergent Cartridge Not Detected

dET on a Whirlpool front-load washer, the Duet and WFW style such as the WFW5620HW, WFW9150WW or WFW90HEFW, in current and older generations, means the washer does not detect the detergent dispenser cartridge. If you use…

Low risk · DIY check OK
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Code
dET
Appliance
Washer
Brand
Whirlpool
Warranty
30-day workmanship

What dET means

dET on a Whirlpool front-load washer, the Duet and WFW style such as the WFW5620HW, WFW9150WW or WFW90HEFW, in current and older generations, means the washer does not detect the detergent dispenser cartridge. If you use single-load doses of detergent, you can ignore it. Otherwise the cartridge may not be seated properly or the drawer may not be shut all the way. You will see dET on the display, and the washer may still wash as normal.

Common causes of dET

  • Dispenser cartridge not fully inserted
  • Dispenser drawer not closed completely
  • Single-load detergent used, so no cartridge is present
  • Cartridge detection input needing a closer look
✓ One safe check you can try

1. Open the dispenser drawer. 2. Take out the cartridge and fit it back in firmly. 3. Push the drawer closed until it stops. 4. Check the display for dET. 5. If you use single-load doses and no cartridge, you can ignore the message.

! Why to stop there
  • A seated cartridge and closed drawer rule out the usual causes
  • If dET stays with the cartridge fitted, we test the detection input and the dispenser
  • The price is quoted in writing first, and a 30-day workmanship warranty follows the repair
Opening a panel yourself does not automatically cancel a manufacturer warranty, but it can cause accidental damage, and some manufacturers set their own service conditions. Check your warranty terms, or ask us, before deciding.
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Other Washer codes

No Water DetectedWhirlpool Front-Load Washer Message "No Water Detected": What to Check OFb or ofbWhirlpool Top-Load Washer Code OFb or Ofb: Load Out of Balance oLWhirlpool Top-Load Washer Code oL: Overloaded Tub PFWhirlpool Washer Code PF: Power Failure During the Cycle Rinse Light OnWhirlpool Top-Load Washer Rinse Light On: Spray Rinse in Progress rLWhirlpool Front-Load Washer Code rL: Items Found During Clean Washer LdWhirlpool Top-Load Washer Code Ld: Water Is Slow to Leave the Tub Sd or 5dWhirlpool Top-Load Washer Code Sd or 5d: Suds Reduction Is Running
dETdET questions
Can I ignore dET?

Yes, if you use single-load doses of detergent and have no cartridge. Otherwise the message means the washer does not see the cartridge, so seat it and close the drawer fully.

What is the Optimal Dispense cartridge?

It is the detergent cartridge that fits the dispenser drawer on washers with this feature. Your owner's manual explains how it works and how to fill it.

Will you repair a washer with this message?

Yes. We check the cartridge seat and the detection input, give you a written price, and tell you plainly if an older washer is not worth fixing.

Book a visit

Still unsure about dET?

A technician diagnoses it on site and gives you the price in writing before any work starts.

(713) 589-6107