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Error code reference

LG Refrigerator Error Code Er IM Kit

Abnormal F Room icemaker kit

LG codesLG refrigerator codes

Abnormal F Room icemaker kit - electrical system error such as motor, gear, Hall IC, or operation circuit within icemaker kit.

First step from the service manual

Check when ice does not drop even when the I/M Test S/W is pressed.

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
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What Er IM Kit means on a LG refrigerator

The Er IM Kit error code on an LG refrigerator indicates an electrical fault within the freezer room (F Room) icemaker kit assembly. This error is triggered when the refrigerator's control system detects an abnormality in one or more of the key electrical components inside the icemaker unit. The affected components can include the ice ejection motor, the gear assembly linked to that motor, the Hall IC sensor (which monitors motor rotation and position), or the broader operation circuit that coordinates icemaker cycling.

The Hall IC sensor is a critical diagnostic element in this system. It generates signals as the icemaker motor rotates, allowing the control board to confirm that the motor is completing full cycles and that ice is being properly ejected. If the Hall IC fails to send expected signals, or if the motor stalls or draws irregular current, the control board logs the Er IM Kit fault. Gear damage or binding within the icemaker mechanism can also produce the same result by preventing the motor from completing its rotation cycle.

The first diagnostic step is to press the I/M Test Switch and observe whether ice drops from the tray. If ice does not drop during this forced test cycle, it confirms the icemaker kit itself is not functioning rather than pointing to an upstream issue like ice detection or water fill. From there, technicians should inspect the motor, wiring harness connections, gear assembly, and Hall IC for visible damage, continuity faults, or failed signal output before determining whether the full icemaker kit assembly requires replacement.

Source: manufacturer service documentation.

Common causes of Er IM Kit

  1. 01

    Faulty Hall IC sensor

    Part replacement

    The Hall IC sensor monitors motor rotation inside the icemaker kit. If it fails or loses connection, the control board cannot confirm proper operation and triggers Er IM Kit.

  2. 02

    Failed icemaker ejection motor

    Part replacement

    The motor responsible for rotating the ice ejector can burn out or seize over time. If the motor does not run when the I/M Test Switch is pressed, the motor itself is a likely failure point.

  3. 03

    Damaged or broken gear assembly

    Part replacement

    The internal gears that transfer motor rotation to the ice ejector arms can crack or strip. A broken gear prevents the motor from completing its cycle, which the control board interprets as a fault.

  4. 04

    Loose or damaged wiring harness connection

    Wiring / connection

    The wiring harness connecting the icemaker kit to the main control board can develop loose pins or damaged insulation. Inspect the connector at both the icemaker and control board ends for corrosion or looseness before replacing components.

  5. 05

    Failed icemaker operation circuit

    Part replacement

    The internal circuit board within the icemaker kit can fail due to moisture exposure or component aging, disrupting coordination between the motor, sensor, and timing functions.

See the test procedure for each cause

Frequently asked questions about Er IM Kit

What does Er IM Kit mean on a LG refrigerator?
Er IM Kit indicates an electrical system error within the freezer room icemaker kit assembly. The fault can originate from the ice ejection motor, the internal gear mechanism, the Hall IC sensor, or the icemaker operation circuit. The refrigerator's control system detected that the icemaker is not cycling correctly. The first step is pressing the I/M Test Switch to confirm whether ice actually drops from the tray.
Can I fix Er IM Kit myself without a technician?
A knowledgeable DIYer can start by checking the wiring harness connections to the icemaker kit for looseness or visible damage, which costs nothing to inspect. However, diagnosing and replacing the Hall IC sensor, motor, or internal circuit board inside the icemaker kit typically requires electrical testing tools and some disassembly experience. If the wiring checks out, professional diagnosis is recommended to avoid replacing the wrong component.
Is it safe to use my refrigerator while it shows Er IM Kit?
Yes, the Er IM Kit error is isolated to the icemaker system and does not affect the refrigerator or freezer cooling functions. Your food will remain safely chilled and frozen. You should simply expect that the icemaker will not produce or dispense ice until the fault is resolved.
Will resetting my LG refrigerator clear the Er IM Kit error?
A power reset may temporarily clear the code, but if the underlying component fault remains, the error will return once the icemaker attempts another cycle. Resetting is useful to confirm whether the fault is intermittent, but it does not repair a failed motor, gear, Hall IC, or circuit. A proper component inspection is needed to resolve the error permanently.
How much does it cost to repair the Er IM Kit error on an LG refrigerator?
Repair costs vary depending on which component has failed. A wiring harness fix or connector repair is relatively inexpensive, typically falling in the range of $50 to $150 for a service call. Replacing the full icemaker kit assembly, which resolves motor, gear, Hall IC, and circuit issues in one step, generally costs between $150 and $400 including parts and labor depending on your region and model.

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