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Error code · Range

Maytag Range Codes 4d21, 4d22, 4d41 and 4d42: Cooling Fan Speed Off

Maytag electric and gas freestanding and slide-in ranges, such as the MER7662WS0, use these codes for the oven cooling fan. Codes 4d21 and 4d22 mean the fan speed reads too low, and 4d41 and 4d42 mean…

Medium · inspection needed
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Code
4d21, 4d22, 4d41 or 4d42
Appliance
Range
Brand
Maytag
Warranty
30-day workmanship

What 4d21, 4d22, 4d41 or 4d42 means

Maytag electric and gas freestanding and slide-in ranges, such as the MER7662WS0, use these codes for the oven cooling fan. Codes 4d21 and 4d22 mean the fan speed reads too low, and 4d41 and 4d42 mean it reads too high. The cause may be restricted airflow, the cooling fan itself or the wiring to it. The owner sees the code and may hear a fan that is louder, quieter or silent, and the oven may stop heating to protect the controls.

Common causes of 4d21, 4d22, 4d41 or 4d42

  • Airflow restriction around the vent or fan intake
  • Cooling fan motor running slower or faster than the control expects
  • Fan wiring or connector
  • Control reading the fan speed signal
✓ One safe check you can try

1. Turn off the oven and let it cool. 2. Look at the oven vent and the area around the range for anything blocking airflow, such as a towel or stored items. 3. Turn the range's circuit breaker off for one minute and back on. 4. Monitor the oven for one minute for the code. 5. Verify oven operation.

! Why to stop there
  • Clearing a blocked vent can solve a low-speed code, but a fan that still runs wrong needs to be tested.
  • We check the fan and its wiring and tell you before replacing anything, with the price in writing.
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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4d21, 4d22, 4d41 or 4d424d21, 4d22, 4d41 or 4d42 questions
What is the difference between 4d21 and 4d41?

The 2 group means the fan is turning too slowly and the 4 group means too fast. We use that clue to decide whether to look at airflow first or at the fan and its wiring.

Why does a range need a cooling fan?

The fan moves air around the oven cavity to keep the control and surrounding parts from overheating. If its speed is wrong, the control may shut the oven down to protect itself.

Can I keep cooking on the cooktop?

The cooktop may still work, but a cooling problem deserves attention before long oven cycles. Please avoid extended baking until the fan has been checked.

Book a visit

Still seeing 4d21, 4d22, 4d41 or 4d42?

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

(713) 936-6390