If you have any of these older models
ELECTRIC RANGE LRE3012, LRE30451, LRE30453, LRE30757
The F3 error code means oven thermistor error.
See the F1 ERROR CODE for troubleshooting oven thermistor error.
For ALL OTHER MODELS not listed above continue to troubleshoot F3 keypad error code using this article.
Cause
Key stuck, no key input or other key error for 60 seconds
Solution
Check display for damage
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