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Error code reference

LG Refrigerator Error Code Er-IK

Ice maker kit error

LG codesLG refrigerator codes

Ice maker kit error - ice maker module malfunction.

First step from the service manual

Inspect ice maker module in freezer room; check if connection at CON6 is loose; measure resistance between pins 9 & 10 of CON6 (should be 19.7 Ω).

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

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What Er-IK means on a LG refrigerator

The Er-IK error code on an LG refrigerator indicates a malfunction within the ice maker kit module located in the freezer compartment. This code is triggered when the refrigerator's main control board detects an abnormal signal or loss of communication from the ice maker module. The ice maker system operates through a dedicated connector, identified as CON6, which carries both power and signal lines between the control board and the ice maker assembly. A fault anywhere along this circuit can cause the Er-IK code to appear and halt ice production.

The primary diagnostic focus for this error is the ice maker module itself and its wiring connection at CON6. Technicians should begin by visually inspecting the module for signs of damage, ice buildup interfering with components, or physical disconnection. The critical electrical test involves measuring the resistance between pins 9 and 10 of the CON6 connector. A properly functioning ice maker module will read approximately 19.7 ohms across these two pins. A reading significantly higher, lower, or open circuit indicates a failed module or a broken wire in that portion of the harness.

Common root causes include a loose or corroded connector at CON6, a failed ice maker module due to an internal component fault, or damaged wiring in the harness running to the module. Because the freezer environment subjects connectors to repeated freeze and thaw cycles, contact corrosion and loose terminals are frequently encountered. If the resistance reading at pins 9 and 10 falls outside the 19.7 ohm specification after confirming solid connections, the ice maker module assembly will typically require replacement to resolve the fault.

Source: manufacturer service documentation.

Common causes of Er-IK

  1. 01

    Loose or disconnected CON6 connector

    Wiring / connection

    The wiring connector at CON6, which links the ice maker module to the control board, can work loose over time due to vibration or freeze-thaw cycles in the freezer. Reseating the connector firmly is the first step before any electrical testing.

  2. 02

    Failed ice maker module

    Part replacement

    An internal component failure within the ice maker module itself will cause the resistance between pins 9 and 10 of CON6 to read outside the specified 19.7 ohms. If the wiring and connector check out, the module assembly is the likely failed component.

  3. 03

    Corroded or damaged connector pins at CON6

    Wiring / connection

    The freezer environment can cause moisture-related corrosion on the CON6 connector pins, increasing resistance or breaking continuity in the circuit. Inspect the pins for discoloration, pitting, or bent contacts that could affect the signal.

  4. 04

    Damaged wiring harness to the ice maker

    Part replacement

    Wiring running through the freezer compartment to the ice maker module can develop breaks or shorts due to ice buildup, pinching, or repeated movement. A broken wire between CON6 and the module will produce an out-of-spec resistance reading at pins 9 and 10.

  5. 05

    Ice buildup interfering with the ice maker module

    Wiring / connection

    Excessive ice accumulation in the freezer compartment can physically interfere with the ice maker assembly or press against wiring, triggering a fault condition. Defrosting the freezer manually and inspecting the area around the module can rule this out.

See the test procedure for each cause

Frequently asked questions about Er-IK

What does Er-IK mean on a LG refrigerator?
Er-IK on an LG refrigerator signals an ice maker kit error, meaning the control board has detected a malfunction in the ice maker module located in the freezer compartment. The error typically points to a problem with the module itself or the wiring connection at the CON6 connector. Ice production will stop while this error is active, but the refrigerator's cooling functions should remain unaffected.
How do I fix the Er-IK error on my LG refrigerator?
Start by inspecting the ice maker module in the freezer for any visible damage or ice buildup, then check that the CON6 wiring connector is firmly seated. Use a multimeter to measure resistance between pins 9 and 10 of CON6; the reading should be approximately 19.7 ohms. If the connector is secure but the resistance reading is off, the ice maker module assembly will likely need to be replaced.
Is the Er-IK error on an LG refrigerator dangerous?
The Er-IK error is not a safety hazard. It indicates a malfunction limited to the ice maker system and does not affect the refrigerator or freezer's ability to maintain safe food storage temperatures. You can continue using the appliance while troubleshooting or waiting for a repair, though ice production will be suspended.
Will resetting my LG refrigerator clear the Er-IK error?
A reset may temporarily clear the Er-IK code, but the error will return if the underlying cause is not addressed. If the ice maker module has failed or the CON6 connection is faulty, the control board will detect the fault again once normal operation resumes. A reset is useful for confirming whether the error is intermittent, but it is not a permanent fix.
How much does it cost to repair an LG refrigerator showing Er-IK?
If the issue is simply a loose connector at CON6, the repair cost could be minimal, covering only a service call in the range of $75 to $150. If the ice maker module itself has failed and needs replacement, parts and labor combined typically range from $150 to $350 depending on the specific model and local labor rates. Getting a diagnostic visit to confirm the failed component before ordering parts is generally recommended.

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