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Error code reference

Jenn-Air Range Error Code F5

Shorted temperature probe, jack or harness.

Jenn-Air codesJenn-Air range codes

Shorted temperature probe, jack or harness.

First step from the service manual

Inspect probe jack and harness for good connection.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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What F5 means on a Jenn-Air range

The F5 error code on a Jenn-Air range indicates a shorted condition in the oven temperature probe circuit. The temperature probe is a resistance-based sensor, typically a resistance temperature detector (RTD), that the oven control board uses to monitor internal oven cavity temperature. When a short occurs in this circuit, the resistance drops abnormally low, sending an out-of-range signal to the control board. The board interprets this as a fault condition and displays F5 to prevent unsafe oven operation.

The fault can originate at three points in the circuit: the probe itself, the probe jack (the receptacle inside the oven cavity where the probe plugs in), or the wiring harness connecting the jack to the control board. A shorted probe will typically read near zero ohms rather than the normal resistance value expected at room temperature, often around 1100 ohms for standard RTD-type probes. Damaged insulation on the harness, a bent pin in the jack, or internal probe failure can all cause this short.

The first diagnostic step is to inspect the probe jack and harness for visible damage, corrosion, or poor connection. If the connection appears sound, the probe should be unplugged and tested with a multimeter. A shorted probe will show very low or zero resistance. If the harness is shorted, the fault will persist even after the probe is disconnected, pointing to wiring or jack repair rather than probe replacement.

Source: manufacturer service documentation.

Common causes of F5

  1. 01

    Faulty temperature probe (internal short)

    Part replacement

    The probe itself has developed an internal short, causing it to read near zero resistance instead of the expected value. Unplugging the probe and measuring resistance with a multimeter will confirm this if the reading is at or near zero ohms.

  2. 02

    Damaged or pinched wiring harness

    Part replacement

    The harness running from the probe jack to the control board may have shorted insulation due to heat exposure, pinching, or physical damage. Inspect the full length of the harness for melted, cracked, or compressed insulation.

  3. 03

    Corroded or damaged probe jack

    Wiring / connection

    The probe jack inside the oven cavity can accumulate grease, food debris, or corrosion that creates a short across the connector pins. Inspect the jack visually for bent pins, residue buildup, or burn marks.

  4. 04

    Loose or intermittent probe connection

    Wiring / connection

    A probe that is not fully seated in the jack can cause an erratic or shorted signal to the control board. Reseating the probe firmly and clearing the code may resolve the fault if no physical damage is present.

See the test procedure for each cause

Frequently asked questions about F5

What does F5 mean on a Jenn-Air range?
F5 on a Jenn-Air range indicates a shorted temperature probe, probe jack, or wiring harness in the oven temperature sensing circuit. The control board has detected an abnormally low resistance signal, which it interprets as a short circuit. The oven will not operate normally until the fault is diagnosed and corrected.
Can I fix an F5 error on my Jenn-Air range myself?
Some causes of F5 are DIY-friendly. Start by inspecting the probe jack and harness for obvious damage or a loose connection, and reseat the probe firmly. If the connection looks good, use a multimeter to test the probe resistance. A probe reading near zero ohms needs replacement, which is a straightforward part swap for most technicians and skilled DIYers.
Is it safe to use my Jenn-Air range when F5 is displayed?
You should not attempt to use the oven while F5 is active. The error indicates the temperature sensing circuit is not functioning correctly, meaning the oven cannot accurately monitor or regulate its internal temperature. Continuing to operate the oven under these conditions could result in overheating or inconsistent cooking results.
Will resetting my Jenn-Air range clear the F5 error code?
Resetting the range by cutting power at the breaker for a few minutes may temporarily clear F5, but the code will return if the underlying short is still present. A reset is useful for confirming whether the fault is intermittent or persistent, but it does not repair the shorted probe, jack, or harness causing the code.
How much does it cost to repair an F5 error on a Jenn-Air range?
Repair costs depend on which component is at fault. A replacement temperature probe typically costs between $20 and $60 for the part alone. If professional labor is needed, total repair costs including diagnosis and installation commonly range from $100 to $250. Harness or jack repairs may fall in a similar range depending on the extent of the damage.

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