mypros+
Error code reference

Jenn-Air Range Error Code F2E3

Keypad hardware failure.

Jenn-Air codesJenn-Air range codes

Keypad hardware failure.

First step from the service manual

Check for proper voltage input at user interface board connections J900-11 to J900-1; confirm +14 VDC.

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

MyPros+ Max

Get the full diagnostic procedure for F2E3.

  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
Get the full procedure

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

What F2E3 means on a Jenn-Air range

The F2E3 error code on a Jenn-Air range indicates a keypad hardware failure within the user interface board system. This code is generated when the control circuitry detects a fault condition at the physical keypad membrane or its connection to the user interface board. The keypad assembly communicates input signals to the control board through a ribbon cable and connector interface, and any disruption in that signal path can trigger this fault code.

The first diagnostic step when encountering F2E3 is to measure the supply voltage at the user interface board connector J900, specifically between pins J900-11 and J900-1. This connection should read +14 VDC under normal operating conditions. If the voltage is absent or out of specification, the issue may originate upstream at the main control board rather than at the keypad itself. Correct voltage at this connector shifts suspicion toward the keypad membrane, ribbon cable, or the user interface board.

Common causes include a worn or damaged keypad membrane that has developed shorts or open circuits across individual key contacts, a compromised ribbon cable connection between the keypad and the user interface board, or a failed user interface board. Physical damage, moisture intrusion, or heat exposure over time can degrade the membrane switch contacts and cause the control system to detect hardware-level keypad faults. In some cases, debris or grease buildup under the keypad surface can cause persistent contact issues that register as a hardware failure rather than a simple stuck key.

Source: manufacturer service documentation.

Common causes of F2E3

  1. 01

    Worn or failed keypad membrane

    Part replacement

    The membrane switch layer beneath the keypad surface degrades over time, developing short circuits or open contacts that the control system reads as a hardware fault. Inspect the keypad for bubbling, cracking, or unresponsive buttons.

  2. 02

    Loose or damaged ribbon cable connection

    Wiring / connection

    The ribbon cable connecting the keypad to the user interface board can work loose or develop breaks at its flex points, interrupting signal continuity. Check connector J900 for secure seating and inspect the cable for visible damage or creasing.

  3. 03

    Incorrect or absent supply voltage at J900

    Part replacement

    If the +14 VDC supply at pins J900-11 to J900-1 is missing or out of specification, the user interface board cannot power the keypad correctly. This points to a fault in the main control board rather than the keypad itself.

  4. 04

    Failed user interface board

    Part replacement

    The user interface board itself can fail due to component damage, heat stress, or moisture exposure. If voltage is confirmed correct at J900 but the fault persists after replacing the keypad, the user interface board is the likely culprit.

  5. 05

    Moisture or debris contamination under keypad

    Wiring / connection

    Grease, cleaning fluids, or moisture that has worked its way beneath the keypad surface can cause false contact signals that register as a hardware-level failure. Inspect the keypad area for signs of liquid intrusion or residue buildup.

See the test procedure for each cause

Frequently asked questions about F2E3

What does F2E3 mean on a Jenn-Air range?
F2E3 indicates a keypad hardware failure on a Jenn-Air range. The control system has detected a fault in the physical keypad or its connection to the user interface board. The first step in diagnosing this code is confirming that the user interface board is receiving the correct +14 VDC supply voltage at connector J900 pins J900-11 to J900-1.
Can I fix the F2E3 error myself?
Some causes of F2E3 are accessible to experienced DIYers, such as reseating a loose ribbon cable at connector J900. However, replacing the keypad membrane or the user interface board requires disassembly of the control panel and comfort working with appliance electronics. If you are not confident measuring DC voltage with a multimeter, professional service is recommended.
Is it safe to use my Jenn-Air range while F2E3 is displayed?
A keypad hardware failure means the control system may not respond reliably to input, which can create unpredictable oven behavior. It is best to avoid using the range until the fault is diagnosed and resolved. Continuing to operate the appliance with a confirmed keypad hardware fault is not recommended.
Will resetting the range clear the F2E3 error?
Cycling power to the range by unplugging it or tripping the circuit breaker for 30 seconds may temporarily clear the F2E3 code, but if an underlying hardware fault exists in the keypad, ribbon cable, or user interface board, the error will return. A power reset alone is not a repair and should only be used as an initial diagnostic step.
How much does it cost to repair a Jenn-Air range showing F2E3?
Repair costs vary depending on which component has failed. A replacement keypad membrane typically runs in the range of $30 to $100 in parts alone. A user interface board can cost between $100 and $300 or more depending on the model. Adding professional labor will increase the total, generally bringing a full repair estimate to somewhere between $150 and $500 depending on the specific fault and service rates in your area.

Related Jenn-Air range codes

All Jenn-Air range codes
View all 73 Jenn-Air range codes

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

Get Started

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