F03 and F04 get the same JennAir message about the Electronic Oven Control. A 60-second breaker reset is the only owner step.
Model compatibility: JennAir reuses codes across series and model years, so F03, F04 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
Plain language
What this code means
F03 and F04 may indicate a problem with the Electronic Oven Control or its wiring.
Whether the display reads F03 or F04, JennAir’s pages say exactly the same thing: the Electronic Oven Control or its wiring may have a problem.
Steps from the manufacturer
At the breaker, cut power to the oven and leave it cut for 60 seconds.
Restore power.
Spend one minute watching for F03 or F04 on the display.
Operate the oven and see that it works.
JennAir tells owners to do nothing more than this.
How F03 and F04 compare with other control codes
JennAir’s list has several codes that mention a control, and the wording differs a little from one to the next:
F03, F04: Electronic Oven Control
F06: Electronic Control
1C31 and its relatives: Oven Control
F0E0: a component of the oven control system, the Electronic Control
Do not open it up
No procedure is given for getting into the control area, and the part concerned is electronic, so leave it closed. A code that is back after the reset means the next step is a technician.
Questions
Do F03 and F04 differ? JennAir’s text is the same for both and does not say what separates them.
Does resetting the breaker wipe settings? The source is silent on that. Just verify that the oven operates afterward.
Important 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.
Seeing this code on your JennAir appliance?
Book a specialist visit for a clear estimate and approval before any repair.
