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Error code reference

Samsung Range Error Code SE

Shorted key error on control panel

Samsung codesSamsung range codes

Shorted key error on control panel — sensor field shorted for more than 10 seconds (e.g., liquid spill, damp cloth, multiple keys pressed, or defective Assy-Touch PCB).

First step from the service manual

Clean the control panel; check if key is recognized after cleaning; if intermittent, replace sub wire or Assy Touch PCB; if not recognized at all, replace Assy Touch PCB.

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

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What SE means on a Samsung range

The SE error code on a Samsung range indicates a shorted key error on the control panel. Specifically, the range has detected that a sensor field on the touch control panel has been continuously activated for more than 10 seconds. The control board interprets this sustained input as an abnormal condition, because under normal operation no single key or touch zone should remain pressed for that duration. When this threshold is exceeded, the unit halts normal operation and displays SE to alert the user and prevent unintended commands from being executed.

The touch control system on Samsung ranges uses a capacitive or resistive touch PCB assembly, often referred to as the Assy-Touch PCB, which communicates with the main control board via a sub wire harness. Any condition that causes a touch sensor zone to read as continuously activated will trigger this fault. Common physical causes include liquid spills onto the control panel, a damp or wet cloth left resting against the surface, or a user pressing multiple keys simultaneously. These scenarios change the capacitive reading of the sensor field in a way that mimics a sustained keypress.

If cleaning the panel does not resolve the error, the fault likely originates in the wiring or the touch PCB itself. A damaged or intermittently failing sub wire harness connecting the touch PCB to the main board can cause spurious signals that trigger the SE code. If the error appears intermittently, inspecting and replacing the sub wire is the recommended next step. If no key input is recognized at all after cleaning, the Assy-Touch PCB is most likely defective and requires replacement.

Source: manufacturer service documentation.

Common causes of SE

  1. 01

    Liquid spill or moisture on the control panel

    Wiring / connection

    Water, grease, or other liquids on the touch panel surface can cause one or more sensor zones to read as continuously activated, triggering the SE code. Thoroughly clean and dry the panel to see if the error clears.

  2. 02

    Damp cloth or object resting against the panel

    Wiring / connection

    A wet sponge, towel, or other object in contact with the touch surface for an extended period can simulate a sustained keypress. Remove any items from the panel area and dry the surface completely.

  3. 03

    Multiple keys pressed simultaneously

    Wiring / connection

    Pressing several touch zones at the same time can confuse the sensor field and trigger the shorted key error. This is typically a one-time occurrence that clears once the panel is released and the range is reset.

  4. 04

    Defective or intermittently failing sub wire harness

    Part replacement

    The sub wire harness connecting the Assy-Touch PCB to the main control board can develop faults that send false continuous-press signals. If the SE code appears intermittently without any physical cause on the panel surface, inspecting and replacing this wire is the recommended step.

  5. 05

    Defective Assy-Touch PCB

    Part replacement

    If the control panel has been cleaned and dried but the error persists, or if no key input is recognized at all, the touch PCB assembly itself is likely failed internally and will need to be replaced.

See the test procedure for each cause

Frequently asked questions about SE

What does SE mean on a Samsung range?
SE stands for a shorted key error on the Samsung range control panel. It means the range has detected that a touch sensor field has been continuously activated for more than 10 seconds. This can be caused by moisture or spills on the panel, a damp object resting against it, or a defective touch PCB. The range displays SE to stop unintended commands from being processed.
Can I fix the SE error myself without replacing parts?
In many cases, yes. Start by cleaning the control panel thoroughly with a dry cloth to remove any moisture, grease, or residue. Make sure no objects are resting against the panel. After cleaning, power the range back on to see if the error has cleared. If SE returns after the panel is completely dry and clean, a component like the sub wire harness or the touch PCB may need replacement.
Is it safe to use my Samsung range while the SE error is displayed?
It is not recommended to continue using the range while the SE error is active. The error indicates the control panel is not responding normally, which means the range may not accurately process your inputs. This could result in unintended burner or oven activation. Address the error before resuming normal use.
Will resetting the range clear the SE error code?
A reset, such as unplugging the range or turning off the circuit breaker for a few minutes, may temporarily clear the SE code. However, if the underlying cause is moisture on the panel or a failing component, the error will likely return. A reset should be combined with cleaning the panel or inspecting the touch PCB and wiring for a lasting fix.
How much does it cost to repair the SE error on a Samsung range?
If the issue is resolved by cleaning, the cost is nothing beyond your time. If the sub wire harness needs replacement, parts and labor costs are typically in the range of $75 to $175 depending on your location and service provider. Replacing the Assy-Touch PCB is a more involved repair and can range from $150 to $350 or more for parts and labor combined. Getting a diagnostic visit from a qualified technician will give you a more accurate estimate.

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