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Error code reference

LG Refrigerator Error Code Id E

Abnormal freezer room icemaker tray sensor caused by icemaker tray sensor short or open circuit.

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Abnormal freezer room icemaker tray sensor caused by icemaker tray sensor short or open circuit.

First step from the service manual

Check sensor at its connector.

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

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What Id E means on a LG refrigerator

The Id E error code on an LG refrigerator indicates an abnormal condition detected in the freezer compartment icemaker tray sensor. This sensor monitors the temperature of the ice tray during the ice-making cycle, providing feedback to the control board so the system knows when water has frozen sufficiently to initiate a harvest cycle. When the control board detects a short circuit or open circuit in this sensor circuit, it triggers the Id E code and flags the icemaker subsystem as compromised.

A short circuit in the sensor circuit means the resistance in the sensor or its wiring has dropped abnormally low, causing the control board to receive an out-of-range signal. An open circuit means the electrical path is broken entirely, typically due to a disconnected connector, broken wire, or a failed sensor element. Both conditions prevent the board from accurately reading tray temperature, which causes the icemaker to stop functioning normally as a safety measure.

Diagnosis begins at the sensor connector, as specified by the first diagnostic step. The connector should be inspected for corrosion, bent pins, and secure seating. If the connector checks out, the sensor itself should be tested for proper resistance values using a multimeter. The wiring harness between the sensor and control board should also be inspected for pinches, breaks, or frost damage, which can occur in freezer environments over time.

Source: manufacturer service documentation.

Common causes of Id E

  1. 01

    Loose or disconnected sensor connector

    Wiring / connection

    The connector linking the icemaker tray sensor to the wiring harness may have come loose or partially disconnected, creating an open circuit. Inspecting and reseating the connector at the sensor is the recommended first diagnostic step.

  2. 02

    Failed icemaker tray sensor

    Part replacement

    The sensor itself may have developed an internal short or open circuit due to normal wear or exposure to moisture and freezing temperatures. Testing the sensor with a multimeter for out-of-range resistance will confirm whether it has failed.

  3. 03

    Damaged wiring harness

    Part replacement

    The wiring between the tray sensor and the control board can become pinched, cracked, or broken, particularly in freezer environments where frost buildup and temperature cycling stress the insulation. Visually inspecting the harness for breaks or chafing can identify this issue.

  4. 04

    Corrosion at the sensor connector

    Wiring / connection

    Moisture in the freezer compartment can cause oxidation or corrosion on the connector terminals, increasing resistance or breaking continuity entirely. Connector terminals should be inspected for discoloration or buildup and cleaned or replaced as needed.

  5. 05

    Faulty icemaker assembly

    Part replacement

    In some cases the sensor is integrated into the icemaker assembly and cannot be replaced independently. If the sensor and wiring both test correctly, the entire icemaker unit may need to be replaced.

See the test procedure for each cause

Frequently asked questions about Id E

What does Id E mean on a LG refrigerator?
The Id E code indicates an abnormal condition in the freezer compartment icemaker tray sensor, caused by a short circuit or open circuit in the sensor or its wiring. This sensor monitors ice tray temperature to control the harvest cycle. When the control board cannot read a valid signal from the sensor, it disables the icemaker and displays this code. The first step is to check the sensor at its connector to rule out a loose or faulty connection.
Can I fix the Id E error code myself?
A knowledgeable DIYer can perform basic diagnostics such as inspecting and reseating the sensor connector and checking the wiring harness for visible damage. Testing the sensor with a multimeter requires some electrical knowledge but is manageable with the right tools. If the sensor or wiring needs replacement, comfort with appliance disassembly is required, and some may prefer to call a technician for that stage.
Is it safe to keep using my refrigerator while the Id E code is active?
The refrigerator's cooling and freezing functions should continue to operate normally with the Id E code active since it specifically affects the icemaker tray sensor circuit. However, the icemaker will not produce ice while the fault is present. It is advisable to address the issue promptly to restore full functionality and prevent any secondary issues.
How much does it cost to repair the Id E error on a LG refrigerator?
If only the sensor connector needs reseating or cleaning, there may be no parts cost at all, with labor costs ranging from roughly $75 to $150 depending on the service provider. Replacing the icemaker tray sensor or wiring harness typically adds $30 to $100 in parts. If the full icemaker assembly requires replacement, total repair costs including labor can range from $150 to $350 or more.
Will resetting my LG refrigerator clear the Id E error code?
Resetting the refrigerator by unplugging it for a few minutes may temporarily clear the code, but the error will return if the underlying sensor fault is still present. A reset does not repair a faulty sensor, broken wire, or corroded connector. The root cause must be diagnosed and corrected for the code to be permanently resolved.

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