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Error code reference

LG Refrigerator Error Code I/M Kit

Ice maker unit failure

LG codesLG refrigerator codes

Ice maker unit failure - defective ice maker motor or Hall IC, short circuit, or motor lead wire fault.

First step from the service manual

Check for loose connection at CON8, then check ice maker unit connector and test Hall IC signal.

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

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What I/M Kit means on a LG refrigerator

The I/M Kit error code on an LG refrigerator indicates a failure within the ice maker unit itself. This code is triggered when the control board detects a fault in one of three key areas: the ice maker drive motor, the Hall IC sensor that monitors motor rotation, or the wiring between the ice maker assembly and the main control board. The Hall IC is a small magnetic sensor that sends rotation feedback signals to the control board, confirming that the ice maker's harvesting cycle motor is turning correctly. When this signal is absent, inconsistent, or outside expected parameters, the board flags the I/M Kit fault.

The diagnostic process begins at CON8, the connector on the control board where the ice maker wiring harness terminates. A loose or corroded connection at CON8 can interrupt both the motor power circuit and the Hall IC signal line, mimicking a full component failure. If CON8 is seated correctly and shows no sign of damage or corrosion, the next step is to inspect the ice maker unit's own connector and the lead wires running from the assembly to the harness. Broken, pinched, or shorted motor lead wires are a common cause of this error, particularly in units where the wire routing passes through areas subject to ice buildup or door hinge stress.

If wiring and connectors check out, the fault likely lies within the ice maker unit itself. A failed ice maker motor will draw incorrect current or fail to turn at all, while a defective Hall IC will produce no rotation signal even when the motor is running. Both conditions result in the same I/M Kit code. In most cases, the entire ice maker assembly is replaced as a unit rather than attempting to service the motor or Hall IC individually.

Source: manufacturer service documentation.

Common causes of I/M Kit

  1. 01

    Loose or corroded connection at CON8

    Wiring / connection

    The CON8 connector on the control board is the first point to inspect. A loose, corroded, or improperly seated connector here will interrupt both motor power and Hall IC signal, triggering the fault without any actual component failure.

  2. 02

    Faulty or broken ice maker lead wires

    Part replacement

    The motor lead wires running from the ice maker assembly to the wiring harness can become pinched, cracked, or shorted, especially in areas exposed to ice accumulation or mechanical stress near door hinges. Inspect the full length of the wire run for damage.

  3. 03

    Defective Hall IC sensor

    Part replacement

    The Hall IC monitors ice maker motor rotation and sends feedback to the control board. A failed Hall IC produces no valid signal, causing the board to register a motor or unit fault even if the motor itself is operational.

  4. 04

    Failed ice maker drive motor

    Part replacement

    The motor that drives the ice harvesting cycle can fail mechanically or electrically. A seized or open-circuit motor will not turn, eliminating the Hall IC signal and triggering the I/M Kit error.

  5. 05

    Short circuit within the ice maker unit connector

    Part replacement

    A short circuit at the ice maker unit connector can occur due to moisture ingress or physical damage to the connector housing or pins. This will cause abnormal current draw and flag the fault code immediately.

See the test procedure for each cause

Frequently asked questions about I/M Kit

What does I/M Kit mean on a LG refrigerator?
The I/M Kit code indicates a detected failure within the ice maker unit. The fault can originate from a defective ice maker motor, a failed Hall IC rotation sensor, a short circuit inside the unit, or a broken motor lead wire. The refrigerator will suspend ice production until the fault is identified and corrected.
Can I fix the I/M Kit error myself?
Some causes of the I/M Kit error are DIY-friendly. Start by checking the CON8 connector on the control board for looseness or corrosion, then trace the ice maker wiring harness for any visibly damaged or pinched wires. If the connectors and wiring are intact, testing the Hall IC signal and motor requires a multimeter and comfort working with appliance wiring. Replacing the ice maker assembly is a moderately involved repair that many experienced DIYers can complete with the correct replacement unit.
Is it safe to keep using my refrigerator when the I/M Kit code is showing?
Yes, the I/M Kit code is specific to the ice maker circuit and does not affect the main refrigeration or freezer systems. Your food will remain properly cooled and frozen. However, ice production will be stopped until the fault is resolved, so you should plan on sourcing ice elsewhere in the meantime.
How much does it cost to repair the I/M Kit error on an LG refrigerator?
Cost depends on the root cause. If the issue is a loose connection at CON8, the repair costs nothing beyond your time. A wiring harness repair or connector replacement may run between $20 and $80 in parts. Replacing the full ice maker assembly typically costs between $80 and $250 for the part, with professional labor adding $100 to $200 depending on your location and service provider.
Will resetting my LG refrigerator clear the I/M Kit error code?
A power reset may temporarily clear the I/M Kit code from the display, but the code will return if the underlying fault is still present. The error reflects an active electrical or mechanical condition within the ice maker unit, not a one-time glitch. A permanent resolution requires diagnosing and correcting the specific cause, whether that is a connection issue, wiring fault, or failed component.

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