mypros+
Error code reference

Jenn-Air Refrigerator Error Code FAEb

RC Air Damper is not working correctly.

Jenn-Air codesJenn-Air refrigerator codes

RC Air Damper is not working correctly.

First step from the service manual

Run Test 41 Air Damper; remove air cover and check for 12-13 V at RC damper door between RD to YL when opening and closing.

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 FAEb.

  • 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 FAEb means on a Jenn-Air refrigerator

The FAEb error code on a Jenn-Air refrigerator indicates that the RC (refrigerator compartment) air damper is not operating correctly. The air damper is a motorized door assembly that controls the flow of cold air from the freezer section into the refrigerator compartment. By opening and closing on command from the main control board, the damper regulates refrigerator temperature. When the control board detects that the damper is not responding as expected, either failing to open, failing to close, or drawing incorrect voltage, it sets the FAEb fault code.

The first diagnostic step is to run Test 41 (Air Damper) using the refrigerator's service diagnostic mode. After removing the air cover to access the RC damper assembly, a technician should measure the voltage between the RD (red) and YL (yellow) wires at the damper connector while the control board sends open and close commands. A proper reading is 12 to 13 volts DC during each command cycle. If voltage is present but the damper does not move, the damper motor or the damper assembly itself has failed. If voltage is absent or out of range, the wiring harness or control board is the likely source of the problem.

Common root causes include a seized or frozen damper door, a failed damper motor, damaged wiring between the control board and the damper, or a faulty main control board that is not delivering the correct voltage signal. Ice buildup around the damper assembly can also physically block the door from moving, which the control board interprets as a component failure.

Source: manufacturer service documentation.

Common causes of FAEb

  1. 01

    Failed air damper motor or assembly

    Part replacement

    The damper motor can burn out or seize over time, preventing the door from opening or closing. If 12 to 13 volts is confirmed at the RD and YL wires but the damper does not move, the damper assembly needs replacement.

  2. 02

    Ice buildup blocking the damper door

    Wiring / connection

    Ice can accumulate around the damper housing and physically prevent the door from moving freely. Inspect the damper area after removing the air cover for visible frost or ice obstruction.

  3. 03

    Damaged or open wiring harness

    Wiring / connection

    A broken, corroded, or disconnected wire between the control board and the damper connector can result in no voltage reaching the damper. Check the continuity and condition of the wiring along the RD and YL lines.

  4. 04

    Faulty main control board

    Part replacement

    If wiring and the damper assembly both test correctly but voltage at the connector is absent or outside the 12 to 13 volt range, the main control board may not be sending the proper output signal to the damper.

  5. 05

    Loose or corroded connector at the damper

    Wiring / connection

    A poor electrical connection at the damper plug can cause intermittent or absent voltage delivery. Inspect the connector for corrosion, bent pins, or an incomplete seat and reseat it firmly.

See the test procedure for each cause

Frequently asked questions about FAEb

What does FAEb mean on a Jenn-Air refrigerator?
FAEb indicates that the refrigerator compartment (RC) air damper is not functioning correctly. The air damper is a motorized assembly that controls cold air flow into the refrigerator section. The control board detected that the damper is not opening or closing as commanded. Diagnosis involves checking for 12 to 13 volts at the damper connector while running Test 41 in service mode.
Can I fix the FAEb error code myself?
Some causes, like a loose connector or ice blockage around the damper, can be addressed without special tools after removing the air cover. However, confirming the correct voltage at the RD and YL wires requires a multimeter and familiarity with appliance wiring. Replacing the damper assembly or control board is best handled by a qualified technician.
Will resetting the refrigerator clear the FAEb code?
A power reset may temporarily clear the code, but it will return if the underlying problem with the air damper or its wiring is not resolved. Clearing the code without a repair does not fix the temperature control issue. The damper should be tested and repaired before relying on the refrigerator for food storage.
Is it safe to use my refrigerator while the FAEb code is active?
A malfunctioning air damper can cause the refrigerator compartment to run too warm or too cold, which puts stored food at risk. If the fridge section is not holding a safe temperature (below 40 degrees Fahrenheit), food should not be kept in it until the damper issue is resolved. Short-term use may be possible if temperatures remain stable, but the fault should be addressed promptly.
How much does it cost to repair a FAEb error on a Jenn-Air refrigerator?
Repair costs depend on what component has failed. A replacement air damper assembly typically ranges from around 50 to 150 dollars for the part. If the main control board requires replacement, parts alone can range from 150 to 400 dollars or more. Adding labor costs for a professional technician, total repair bills commonly fall between 100 and 500 dollars depending on the diagnosis.

Related Jenn-Air refrigerator codes

All Jenn-Air refrigerator codes
View all 20 Jenn-Air refrigerator codes

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

Get Started

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