F23Warning
Maytag Refrigerator F23 Error Code
The ambient (room) temperature sensor is malfunctioning.
Common causes
- Defective ambient thermistor
- Wiring problem
- Control board issue
How to fix it
- Unplug refrigerator.
- Find ambient thermistor (often behind front grille).
- Check connector and wiring.
- Measure resistance; expect around 10k ohms at 77°F.
⚠ When to call a pro: If control board is suspected.
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Always unplug the appliance (and turn off the water for washers/dishwashers) before inspecting. These guides are for information only and are not a substitute for a professional repair.