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Error code reference

Jenn-Air Oven Error Code F1E1-5

Main ACU fault

Jenn-Air codesJenn-Air oven codes

Main ACU fault — ACU Broil relay open.

First step from the service manual

Unplug range or disconnect power. Inspect connections to main control for loose/unplugged connectors.

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

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What F1E1-5 means on a Jenn-Air oven

The F1E1-5 error code on a Jenn-Air oven points to a fault within the main Appliance Control Unit (ACU), specifically that the broil relay inside the ACU is reading as open. A relay in this context is an electrically operated switch that the control board uses to send power to the broil element. When the ACU detects that this relay is not closing properly or has failed in the open position, it cannot energize the broil element and triggers the F1E1-5 fault to alert the technician to the problem.

The broil relay is a discrete component soldered onto or integrated within the main ACU. An open relay means the circuit is broken and no current can pass through to the broil element, regardless of what the control board commands. This condition can result from a failed relay, a burned or corroded solder joint on the board, or a wiring harness connection issue between the ACU and the rest of the oven circuit. Because the fault code specifically identifies the relay as open rather than shorted, the primary suspect is the relay itself or its associated wiring connections.

Before condemning the ACU, the first diagnostic step is to disconnect power to the range and carefully inspect all wiring harness connectors at the main control board. A loose, unplugged, or corroded connector can mimic an open relay fault by interrupting the signal path. If all connections are secure and in good condition, the ACU itself is likely the failed component and will need to be replaced.

Source: manufacturer service documentation.

Common causes of F1E1-5

  1. 01

    Failed broil relay on the ACU

    Part replacement

    The relay responsible for powering the broil element has failed in the open position, preventing the circuit from closing. This is an internal ACU component failure that typically requires replacing the entire main control board.

  2. 02

    Loose or unplugged wiring harness connector

    Wiring / connection

    A connector at the main ACU that is partially unseated or unplugged can cause the control board to read an open circuit on the broil relay circuit. Inspect all connectors at the board carefully after disconnecting power.

  3. 03

    Burned or corroded connector terminals

    Part replacement

    Heat exposure over time can cause terminal pins at the ACU connectors to oxidize or char, creating high resistance or an open connection. Look for discoloration, melting, or pitting on the connector pins and sockets.

  4. 04

    Damaged wiring harness

    Part replacement

    A wire in the harness leading to the ACU broil relay circuit may be broken, pinched, or have compromised insulation. Trace the harness visually and check for any signs of chafing or heat damage.

See the test procedure for each cause

Frequently asked questions about F1E1-5

What does F1E1-5 mean on a Jenn-Air oven?
F1E1-5 indicates a main ACU fault where the broil relay is detected as open. The ACU is the main control board, and the broil relay is the switch it uses to send power to the broil element. When this relay fails or its circuit is interrupted, the oven triggers F1E1-5 and the broil function becomes inoperable. The fault points to either a wiring connection issue or a failed relay within the control board itself.
Can I fix F1E1-5 on my Jenn-Air oven myself?
The first step is something a careful DIYer can handle: unplug the range, then inspect all wiring harness connectors at the main control board for anything loose, unplugged, or corroded. Reseating a loose connector may resolve the fault. If the connections are all secure, the ACU likely needs to be replaced, which involves working with the electrical components of the control system and is best handled by a qualified technician.
Is it safe to use my Jenn-Air oven when F1E1-5 is displayed?
The F1E1-5 fault specifically affects the broil relay, so the broil function should not be used while this code is active. Bake and other oven functions may still operate, but you should confirm there are no additional faults before continuing to use the appliance. When in doubt, disconnect power and have the oven inspected before further use.
Will resetting the oven clear the F1E1-5 error code?
Disconnecting power for several minutes will clear the code temporarily, but if the underlying fault remains, the F1E1-5 code will return when power is restored and the broil circuit is tested by the ACU. A reset alone does not fix a failed relay or a damaged wiring connection. The root cause must be diagnosed and corrected for the fault to stay clear.
How much does it cost to repair a Jenn-Air oven with an F1E1-5 error?
If the fix is simply reseating a loose wiring connector, costs may be limited to a service call fee, typically in the range of $75 to $150. If the main ACU needs to be replaced, parts and labor combined can range from $250 to $600 or more depending on the specific model and your region. Getting a diagnostic visit from a technician before ordering parts is advisable to confirm the exact cause.

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