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Error code · Washer

Whirlpool Laundry Tower Washer Code F3E7: Reversed Hoses and the Wash Temperature Sensor

F3E7 on the washer section of a Whirlpool laundry tower or stacked laundry center points to the wash temperature sensor. The control compares the water temperature it reads with what the cycle expects, and reversed supply…

Medium · inspection needed
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Code
F3E7
Appliance
Washer
Brand
Whirlpool
Warranty
30-day workmanship

What F3E7 means

F3E7 on the washer section of a Whirlpool laundry tower or stacked laundry center points to the wash temperature sensor. The control compares the water temperature it reads with what the cycle expects, and reversed supply hoses can upset that reading. You will see the code on the display, and the washer may stop or refuse to start a cycle.

Common causes of F3E7

  • Hot and cold hoses reversed
  • Wash temperature sensor circuit
  • Wiring or control reading of the sensor
✓ One safe check you can try

1. Check that the hot hose is on the hot inlet and the cold hose is on the cold inlet. 2. Open both water valves fully. 3. Unplug the tower for 5 minutes, then plug it back in. 4. Run a short cycle. If F3E7 returns, schedule service.

! Why to stop there
  • Hoses and a reset leave the sensor itself untested.
  • We read the temperature circuit before suggesting anything.
  • Only after hoses and sensor are sorted do we put a price on paper.
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

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 LdLWhirlpool Top-Load Washer Code LdL: Lid Fails to Lock Sense and Wash FlashingWhirlpool Top-Load Washer Sense and Wash Lights Flashing: Unbalanced Spin
F3E7F3E7 questions
Can reversed hoses cause F3E7?

Yes, confirming the hoses are not reversed is part of the owner steps for this code. Hot belongs on the hot inlet and cold on the cold inlet. It is a free check worth doing before you book a visit.

What if the hoses are right?

Then the wash temperature sensor circuit needs testing. A power reset is worth trying once, and if F3E7 returns we check the sensor and its wiring, and quote the repair in writing before starting.

Does the code affect the dryer on the tower?

It refers to the washer section only. Check the dryer separately and let us know if both sections show problems, since that can point toward a shared supply or control issue instead.

Book a visit

Still seeing F3E7?

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

(713) 589-6107