Code overview
- Error code
- 3D21
- Appliance
- Wall Oven
Maytag wall oven code 3D21: what the display means and the power reset steps to try.
What this code means
3D21
The oven temperature sensor, the control, or the associated wiring may have a problem.
3D21 is a Maytag wall oven code. Maytag’s help text links it to a possible fault in the temperature sensor, the control or the wiring connected to them.
Power cycle steps
- Cut power at the breaker(s) for a full minute.
- Restore power at the breaker(s).
- Monitor the oven for a minute; the code should not appear again.
- Confirm the oven is operating.
Should 3D21 show again, contact service rather than repeating the reset over and over. A technician checks the parts the manual names.
Related wall oven codes
- 3D22: shares the same reset instructions and the same temperature sensor wording.
- 3D12: the same family of messages about the temperature sensor and control.
- 3D11: also points at the temperature sensor, the control or the wiring.
Maytag wall oven repair near you in Los Angeles
Los Angeles owners can reach us at (310) 882-7671. Keep the model number nearby, note that the display said 3D21, and tell us what you already tried. Details: oven repair.
Source: 3D21 Wall Oven – Product Help
Safety warning
Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.
Sources & references
Tell us what’s wrong — we’ll take it from there
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