Code overview
- Error code
- 4D21
- Appliance
- Range
Maytag range code 4D21 reports a cooling fan speed that is too low, with an airflow restriction, the fan or wiring as possible causes.
What this code means
4D21
Cooling fan speed too low; there may be a problem with an airflow restriction, the Oven Cooling Fan, or the associated wiring.
Possible trouble spots
A low cooling fan speed triggers 4D21 on a Maytag range, according to the manufacturer. Look to airflow restrictions, the Oven Cooling Fan, or the associated wiring as the possible source.
What to try first
- Start by turning the circuit breaker(s) off. Count one (1) minute.
- Close the circuit breaker(s) so power returns to the oven.
- Wait and watch for one (1) minute: the code should stay clear.
- Confirm the oven is operating.
Similar range codes
- 4D22: an Oven Cooling Fan code too
- 4D41: fan speed code, same reset
- 4D42: airflow and fan wiring, the other direction of speed
Need service in Los Angeles?
Los Angeles owners can book Maytag range service on (310) 882-7671. Keep the model number, the code 4D21 and a note of your reset handy. Our range repair page has more.
Source: 4d21- Error Code – Range – Product Help – 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
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