A freestanding stove pulled out from the wall with its back panel taken off, the green control board and its bundle of wires exposed behind the display.

Maytag stove
showing 4d21

Maytag's 4d codes cover the door latch, the cooling fan and the control.

(844) 415-7620

Mon–Sat, 8am–8pm

  • Control board and power
  • Control board and display repair
  • Source: Maytag

Book a visit

Three short steps, about a minute.

or call (844) 415-7620

Before you book,
in this order.

Each step comes from Maytag's own guidance for 4d21 on its stoves. Follow it to the end: the last card says whether this is a visit.

01

Turn the oven off.

02

Make sure nothing blocks the vents.

03

Reset power for one minute; if 4d21 returns, book a visit.

Still there?

It usually turns into control board and display repair. Book with the code and the model number.

What not to do

4d21 is not a door code, although other 4d codes are. This one is about the cooling fan.

What you may
notice with it.

The stove problems 4d21 tends to arrive with. Answer these at the stove before anyone is booked.

All problems

Where 4d21 usually leads

Control board and display repair.

Control board, keypad or display · moderate.

In Maytag's own words

Cooling fan speed too low.
Maytag product help: 4d21 Maytag product help: 4d21

Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Maytag freestanding and slide-in stoves with electronic controls; not every model uses every code.

Maytag 4d21 stove repair,
where we come out.

The same visit in every metro below: the code, the model number, and a diagnosis before any part is ordered.

All service areas
A grandparent and a child stirring a pot together on a white gas stove in a lived-in family kitchen
For the heart of your home.

Questions
about 4d21.

Can I clear 4d21 myself?
Turn the oven off. If it comes back, it needs a visit.
Why does my Maytag hum and show 4d21?
A slow fan can hum or rattle. The code reports its low speed.
Is 4d21 the same as 4d22 on my Maytag?
Maytag gives both the same meaning.
Can a towel over the vent cause 4d21?
Maytag lists an airflow restriction as a possible cause. Clear the vents first.

Back to your everyday

Still showing 4d21?

Book with the code written exactly as the stove shows it, the full model number, and whether you notice any smell of gas or hot wiring — when there is a code, that is where the diagnosis starts.

(844) 415-7620 Schedule a repair