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Error code · Range

Whirlpool Range with 4D42: High Fan Speed Report

Whirlpool freestanding and slide-in ranges, electric or gas, such as the WFG515S0ES, show 4D42 when the cooling fan seems to be running above its expected speed. The control points to an airflow restriction, the oven cooling…

Medium · inspection needed
Code
4d42
Appliance
Range
Brand
Whirlpool
Warranty
30-day workmanship

What 4d42 means

Whirlpool freestanding and slide-in ranges, electric or gas, such as the WFG515S0ES, show 4D42 when the cooling fan seems to be running above its expected speed. The control points to an airflow restriction, the oven cooling fan, or the wiring that runs it. What you notice is a fan that sounds strong or stays on, perhaps with the oven stopping a cycle while 4D42 is displayed.

Common causes of 4d42

  • Poor airflow around the range
  • The oven cooling fan
  • The fan's harness and plugs
✓ One safe check you can try

1. Wait for the range to cool and check that vents are clear. 2. Switch the breaker off for one full minute. 3. Switch it on again. 4. Note whether the screen stays clear. 5. Bake briefly and note whether the fan sounds normal.

! Why to stop there
  • The code says the speed is off, not why it is off.
  • We check airflow, then fan speed, then the wiring.
  • A written price comes first, and our work has a 30-day workmanship warranty.
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.
4d424d42 questions
How does 4D42 differ from 4D41?

Both describe a fan running too fast. They are separate reports, and the first checks match. We confirm which one your display showed. That tells us which of the two to work from.

Does the fan stay on after baking?

Cooling fans often run on after a cycle to cool the oven. That alone is normal. A fan that runs loudly with the code is what we look at.

What does the visit involve?

We check the airflow path, then test the fan and its wiring with the range powered down. You get a written price before any part is ordered.

Book a visit

Still seeing 4d42?

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