What does a F4 code mean on a GE gas range?

An F4 error code on a GE gas range typically indicates a problem with the oven temperature sensor. This sensor may be malfunctioning or may have a wiring issue, leading to inaccurate temperature readings. To resolve the issue, it's advisable to check the sensor and its connections, and if necessary, replace it. If troubleshooting doesn't resolve the error, contacting a professional technician may be necessary.