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Error code reference

LG Refrigerator Error Code E ID

Abnormal freezer room icemaker tray sensor

LG codesLG refrigerator codes

Abnormal freezer room icemaker tray sensor - icemaker tray sensor short or open circuit.

First step from the service manual

Check sensor at its connector, check connection or resistance.

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

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  • 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
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What E ID means on a LG refrigerator

The E ID error code on an LG refrigerator indicates an abnormal condition with the icemaker tray sensor located in the freezer compartment. This sensor monitors the temperature of the ice maker tray to control the freezing and harvest cycles properly. When the control board detects that the sensor signal is outside the expected range, it triggers the E ID code and may suspend normal ice making operations to prevent mechanical damage or incomplete ice cycles.

The fault is specifically identified as either a short circuit or an open circuit in the icemaker tray sensor or its wiring. A short circuit occurs when the sensor's internal resistance drops far below its normal operating range, causing the control board to read an abnormally low or zero resistance value. An open circuit occurs when the sensor or the wiring between the sensor and the control board loses electrical continuity entirely, resulting in an infinite or unmeasurable resistance reading. Both conditions make it impossible for the board to determine tray temperature accurately.

The first diagnostic step is to inspect the sensor at its connector, checking for secure connections and measuring resistance across the sensor terminals. Loose, corroded, or damaged connector pins are a common source of intermittent open circuit faults. If the connector checks out, the sensor itself should be tested for resistance and compared against the expected value for the current temperature. Wiring between the connector and the control board should also be inspected for pinches, breaks, or signs of moisture intrusion that could cause a short.

Source: manufacturer service documentation.

Common causes of E ID

  1. 01

    Faulty or failed icemaker tray sensor

    Part replacement

    The sensor itself can fail internally, producing either a short or open circuit reading. This is the most common root cause and is confirmed by measuring sensor resistance at the connector terminals and finding values outside the normal operating range.

  2. 02

    Loose or disconnected sensor connector

    Wiring / connection

    The connector linking the tray sensor to the wiring harness can work loose over time due to vibration or ice buildup. Inspecting and reseating the connector is the recommended first step and may resolve the fault without parts replacement.

  3. 03

    Corroded or damaged connector pins

    Wiring / connection

    Moisture inside the freezer can cause corrosion on the sensor connector pins, increasing resistance or breaking continuity entirely. Visually inspect the pins for oxidation, discoloration, or physical damage.

  4. 04

    Damaged wiring harness

    Part replacement

    The wiring between the sensor and the control board can be pinched, cut, or broken, particularly near mounting points or areas where ice accumulation is common. A continuity test along the harness will identify a break.

  5. 05

    Failed main control board

    Part replacement

    If the sensor and wiring both test within spec, the control board may be misreading the sensor signal due to a board-level fault. This is the least likely cause and should only be considered after all other components have been ruled out.

See the test procedure for each cause

Frequently asked questions about E ID

What does E ID mean on a LG refrigerator?
The E ID code means the refrigerator has detected an abnormal signal from the icemaker tray sensor in the freezer compartment. The sensor is reading as either a short circuit or an open circuit, which prevents the control board from accurately monitoring tray temperature. As a result, the ice maker may stop producing ice until the issue is diagnosed and corrected.
Can I fix the E ID error myself?
Some causes of the E ID error are DIY-friendly, particularly checking and reseating the sensor connector. If the connector is secure and corrosion-free, testing sensor resistance with a multimeter is the next step. However, replacing the sensor or wiring harness requires comfort with disassembling freezer components, and control board replacement is best left to a qualified technician.
Will resetting my LG refrigerator clear the E ID code?
A reset may temporarily clear the E ID code, but it will return if the underlying sensor fault is not repaired. You can attempt a reset by unplugging the refrigerator for a few minutes, but this does not fix a defective sensor, damaged wiring, or a loose connector. A permanent fix requires diagnosing and correcting the root cause of the short or open circuit.
Is it safe to keep using my refrigerator while the E ID code is active?
The refrigerator's cooling and food preservation functions are generally not compromised by the E ID error, which is isolated to the ice maker system. However, the ice maker will likely not operate correctly while the fault is present. It is advisable to address the error promptly to avoid any secondary issues related to a non-functioning ice maker.
How much does it cost to repair an E ID error on an LG refrigerator?
Repair costs vary depending on the cause. If only the icemaker tray sensor needs replacement, parts typically range from $15 to $50, with additional labor costs if a technician performs the work. A wiring harness repair or replacement can cost more depending on the extent of the damage. Control board replacement, if required, is the most expensive scenario and can range from $150 to $400 or more including parts and labor.

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