F3

Oven Repair (including Ranges and Cooktops)
,
1

Keep getting F3 code on the oven temperature. Sensor problem?

3

F3 does come up as an open oven sensor on Ropers.

Below is a link about checking it.
Take a look at 7, 8, 20 and 21.
http://www.applianceaid.com/electric-range-repair-topics.php