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Error code reference

LG Range Error Code -dC-

Divider sensing information

LG codesLG range codes

Divider sensing information - divider not properly inserted or removed for the selected mode.

First step from the service manual

Insert divider in twin mode or remove divider in single mode; check divider sensing switch.

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

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What -dC- means on a LG range

The -dC- error code on an LG range relates to the divider sensing system used in twin cooking mode. LG ranges equipped with a divider feature allow the oven cavity to be split into two independent cooking zones, each with its own temperature setting. A dedicated sensing switch monitors whether the physical divider panel is installed or removed. When the oven's control system detects a mismatch between the divider's actual position and the selected cooking mode, the -dC- code is triggered and normal operation is suspended until the conflict is resolved.

The root cause is almost always a physical mismatch: either the divider is not inserted when twin mode is selected, or the divider is still installed when single-cavity mode is active. Beyond user error, the sensing switch itself can be the source of the fault. If the switch is misaligned, damaged, or has developed an open or short circuit, it may report incorrect divider status to the control board even when the divider is properly positioned. Debris or food residue around the switch contact point can also prevent proper actuation.

Diagnosis should begin by confirming the divider is fully and correctly seated if twin mode is in use, or fully removed if operating in single mode. If the error persists after correcting the divider position, the next step is to inspect and test the divider sensing switch for proper mechanical actuation and electrical continuity. A faulty switch that does not register the correct open or closed state when actuated will require replacement to clear the fault.

Source: manufacturer service documentation.

Common causes of -dC-

  1. 01

    Divider not inserted in twin mode

    Wiring / connection

    When twin cooking mode is selected but the physical divider panel has not been installed in the oven cavity, the sensing switch does not actuate and the control triggers -dC-. Insert the divider fully until it seats correctly.

  2. 02

    Divider left in during single mode

    Wiring / connection

    If the oven is set to single-cavity mode but the divider panel is still installed, the sensing switch remains actuated and conflicts with the expected state. Remove the divider completely to resolve the mismatch.

  3. 03

    Divider not fully or correctly seated

    Wiring / connection

    A partially inserted divider may not fully actuate the sensing switch, causing the control board to read an ambiguous or incorrect state. Remove the divider and reinsert it firmly, ensuring it is fully engaged in its mounting points.

  4. 04

    Faulty or misaligned divider sensing switch

    Part replacement

    If the sensing switch is physically misaligned, worn, or has failed electrically, it will report incorrect divider status regardless of actual divider position. Inspect the switch for proper alignment and test for correct continuity when actuated and released. A failed switch requires replacement.

  5. 05

    Debris or residue blocking the sensing switch

    Wiring / connection

    Food particles or grease buildup around the sensing switch contact point can prevent the switch from fully actuating or releasing. Inspect the switch area and clean away any obstructions before retesting.

See the test procedure for each cause

Frequently asked questions about -dC-

What does -dC- mean on a LG range?
The -dC- code indicates a divider sensing conflict on your LG range. The oven uses a sensing switch to detect whether the oven divider panel is installed or removed, and this error appears when the detected state does not match the selected cooking mode. For example, selecting twin mode without the divider inserted, or leaving the divider in place while using single mode, will both trigger this fault.
How do I fix the -dC- error on my LG range?
Start by checking the position of the oven divider panel relative to your selected cooking mode. If twin mode is active, fully insert the divider until it seats properly. If single mode is active, remove the divider completely. If the error persists after correcting the divider position, inspect the divider sensing switch for misalignment, physical damage, or debris blocking its contact point, and test it for proper electrical continuity.
Is the -dC- error on a LG range a safety concern?
The -dC- error is not a safety emergency in most cases. It is a functional fault that prevents the oven from operating in the selected mode due to a configuration mismatch. However, you should resolve it before continuing to use the oven, since the control system needs accurate divider position information to properly regulate each cooking zone.
Will resetting my LG range clear the -dC- error?
A power reset alone is unlikely to permanently clear the -dC- error because the underlying cause, either a divider position mismatch or a faulty sensing switch, will still be present when power is restored. The error will return as soon as the control board re-evaluates the divider status. Correct the divider position or address the sensing switch first, then reset the range if needed.
How much does it cost to repair the -dC- error on a LG range?
If the fix is simply a matter of repositioning the divider panel, there is no parts cost involved. If the divider sensing switch has failed and needs replacement, parts typically range from around $15 to $60 depending on the specific model, with professional labor adding $75 to $150 or more depending on your location and service provider.

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