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Error code reference

LG Refrigerator Error Code LE

Motor locked error

LG codesLG refrigerator codes

Motor locked error - drum does not rotate after water fill is complete.

First step from the service manual

Check if motor hall sensor connector and motor power connector are properly connected (Main PWB: NA1, RD4).

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

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What LE means on a LG refrigerator

The LE error code on an LG refrigerator indicates a motor locked error, meaning the drum motor failed to rotate after a water fill cycle completed. This fault is detected by the main control board (PWB) when the motor hall sensor does not report rotation signals within the expected window following a fill event. The hall sensor is a magnetic position sensor mounted near the motor that generates pulse signals as the motor shaft turns. When those pulses are absent or outside the expected range, the control board interprets the motor as locked or stalled and triggers the LE code.

The diagnostic starting point is confirming that two connectors on the main PWB are fully seated: the motor hall sensor connector at position NA1 and the motor power connector at position RD4. Loose, corroded, or damaged connector pins at either of these locations can interrupt signal communication between the motor and the board, producing a false locked-motor condition even when the motor itself is mechanically sound. This makes connector inspection the first and most important step before replacing any components.

If the connectors are secure and the error persists, the fault likely lies with the motor itself, the hall sensor, or the main control board. A mechanically seized motor due to bearing wear or an ice obstruction can physically prevent rotation. A failed hall sensor will stop sending feedback pulses even if the motor is spinning. Finally, if the board is not delivering the correct drive voltage to the motor through the RD4 connector, the motor will not run regardless of its condition.

Source: manufacturer service documentation.

Common causes of LE

  1. 01

    Loose or disconnected motor connectors

    Wiring / connection

    The motor hall sensor connector (NA1) or motor power connector (RD4) on the main PWB may be partially seated or corroded. Inspecting and firmly reseating these connectors is the first required diagnostic step.

  2. 02

    Faulty hall sensor

    Part replacement

    The motor hall sensor monitors rotation and sends pulse signals back to the control board. If the sensor has failed, the board receives no rotation feedback and logs the LE code even if the motor is mechanically capable of running.

  3. 03

    Seized or failed drum motor

    Part replacement

    Bearing wear, mechanical damage, or an ice obstruction can prevent the motor from rotating at all. A stalled motor draws high current and will trigger the locked-motor fault on the control board.

  4. 04

    Ice or debris obstruction

    Wiring / connection

    Ice buildup or a foreign object blocking the motor or drum mechanism can physically lock rotation. Inspecting and clearing the drum area after defrosting may resolve the error without part replacement.

  5. 05

    Defective main control board (PWB)

    Part replacement

    If the board is not supplying correct drive voltage through the RD4 connector, the motor will not receive power to run. A failed board output stage can mimic all the symptoms of a locked motor.

See the test procedure for each cause

Frequently asked questions about LE

What does LE mean on a LG refrigerator?
The LE code on an LG refrigerator stands for motor locked error. It means the control board detected that the drum motor did not rotate after a water fill cycle completed. The board uses a hall sensor to confirm motor rotation, and when that signal is missing or incorrect, the LE code is triggered. The fault can stem from loose wiring connectors, a bad hall sensor, a failed motor, or the main control board itself.
Can I fix the LE error on my LG refrigerator myself?
Some causes of the LE error are DIY-friendly. Start by unplugging the refrigerator and checking that the motor hall sensor connector and motor power connector on the main board are fully seated and free of corrosion. If an ice obstruction is blocking the motor, defrosting the unit may clear the fault. Replacing the hall sensor or motor is more involved and requires basic electrical knowledge and the correct replacement part.
Is it safe to keep using my LG refrigerator when the LE code is showing?
A locked motor error typically disables the function tied to that motor, such as ice making or water circulation, but it does not necessarily mean the entire refrigerator is unsafe to use. However, you should not ignore the error long-term, as a seized or overloaded motor can generate heat. Addressing the fault promptly reduces the risk of additional component damage.
How much does it cost to repair an LE error on an LG refrigerator?
Repair costs vary depending on the root cause. If only a loose connector needs reseating, there is no parts cost and only your time is involved. Replacing a hall sensor typically costs between $20 and $60 for the part. A new drum motor can range from $60 to $150 or more. A main control board replacement is generally the most expensive repair, often ranging from $100 to $300 for the part alone, plus labor if a technician is hired.
Will resetting my LG refrigerator clear the LE error code?
Unplugging the refrigerator for a few minutes and restarting it may temporarily clear the LE code, but the error will return if the underlying cause has not been fixed. A reset is useful for confirming whether the fault is intermittent, such as a loose connector that reseats on its own, versus a hard failure like a burned-out motor or sensor. Always address the root cause rather than relying on resets.

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