mypros+
Error code reference

Jenn-Air Oven Error Code FBE3-0

Secondary cavity over temp

Avg. service call
$285
National average. Trip fee plus diagnostic plus labor. Before parts.
MyPros+ 3-day pass
$9.95
Same diagnostic steps, on your phone. Start now.
You keep in your pocket
~$275
Even before you buy the part.
Skip the service call. Fix it yourself.
Full procedure unlocks instantly.
Get Started

What the FBE3-0 error code actually means

Your Jenn-Air oven is detecting dangerously high temperatures in the second oven compartment and has stopped operating to prevent damage or a safety hazard. This could be caused by a faulty temperature sensor giving bad readings, a broken heating element, or a stuck control board component that keeps the heat on when it should be off. A technician will need to diagnose and repair the specific failed part before the oven can safely be used again.

Diagnostic procedure

The full FBE3-0 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Replace Secondary Cavity Oven Sensor.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock FBE3-0 procedure $9.95

Or subscribe: $29/month for unlimited access to all codes plus Max AI diagnostics.

Most common causes of FBE3-0

Ranked by how often they cause this code
  1. 1Failed Secondary Cavity Oven Sensor
  2. 2Relay Stuck Closed on Control Board
  3. 3Unzipped Heating Element
  4. 4Thermal Event in the Cavity

Most DIYers save hundreds by diagnosing before ordering parts.

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass

Questions people ask about FBE3-0

What does FBE3-0 mean on a Jenn-Air oven?
FBE3-0 indicates a secondary cavity over-temperature fault. The oven's control system has detected that the temperature in the second oven compartment has exceeded a safe limit. This can be caused by a faulty oven sensor, a relay stuck closed on the control board, or a failed heating element. The oven will not operate normally until the underlying cause is diagnosed and repaired.
Is it safe to use my Jenn-Air oven while error code FBE3-0 is active?
No, you should not use the oven while this fault is active. FBE3-0 signals an over-temperature condition that may be caused by uncontrolled heating in the secondary cavity. Continuing to operate the appliance risks further component damage and presents a potential fire hazard. Disconnect power to the oven until the fault has been properly diagnosed and repaired.
How much does it cost to repair a Jenn-Air oven with error code FBE3-0?
Repair costs vary depending on which component has failed. A secondary cavity oven sensor is typically the least expensive fix, with parts generally ranging from $20 to $60 and labor adding to that total. A control board replacement is significantly more costly, often ranging from $150 to $400 or more for parts alone. An in-home diagnostic visit from a technician, usually $75 to $150, will help confirm the exact cause before committing to parts costs.
Can I fix FBE3-0 myself, or do I need a technician?
Replacing the secondary cavity oven sensor is a repair that many experienced DIYers can handle, and it is the first recommended diagnostic step. However, if the fault is caused by a stuck relay on the control board or an unzipped heating element, those repairs carry greater electrical risk and complexity. If you are not comfortable working with oven wiring or control boards, hiring a qualified appliance technician is the safer choice.
Will resetting the oven clear the FBE3-0 error code?
A power reset may temporarily clear the fault code, but if the underlying hardware problem persists, the error will return once the oven is used again. A stuck relay, failed sensor, or damaged element will continue to cause the over-temperature condition regardless of resets. The fault code should be treated as a symptom of a real component failure that requires physical inspection and repair.

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass