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Appliance Fix Guide

Samsung Dishwasher error code

Samsung Dishwasher Error LC

Unplug dishwasher and verify household voltage at outlet is 110-120V AC using multimeter.

Unplug dishwasher and verify household voltage at outlet is 110-120V AC using multimeter.

HardStart with 5-15 minutes of safe checks
⚠️ CHECK WARRANTY / AGE$100 - $250 Range
Samsung dishwasher repair guide for error LC
Error codeLCDishwasher

Try these first

Start here before buying a part or taking the appliance apart.

  1. 1
    Unplug dishwasher and verify household voltage at outlet

    Unplug dishwasher and verify household voltage at outlet is 110-120V AC using multimeter.

  2. 2
    Remove lower access panel to access main control

    Remove lower access panel to access main control board and heater connections.

  3. 3
    Inspect board near heater relay for burnt components,

    Inspect board near heater relay for burnt components, bulging capacitors, or charred traces.

A quick explanation

What does LC mean?

Unplug dishwasher and verify household voltage at outlet is 110-120V AC using multimeter.

The answer you came for

How to fix Samsung dishwasher error LC

Start with the safest checks and work from simple to technical.

  1. 1

    Unplug dishwasher and verify household voltage at outlet

    Unplug dishwasher and verify household voltage at outlet is 110-120V AC using multimeter.

  2. 2

    Remove lower access panel to access main control

    Remove lower access panel to access main control board and heater connections.

  3. 3

    Inspect board near heater relay for burnt components,

    Inspect board near heater relay for burnt components, bulging capacitors, or charred traces.

  4. 4

    Test heater element resistance per HE procedure

    Test heater element resistance per HE procedure. Replace heater if open circuit.

  5. 5

    Test thermal fuse continuity on heater housing

    Test thermal fuse continuity on heater housing. Replace if open circuit.

  6. 6

    If heater and fuse test good but error

    If heater and fuse test good but error persists: replace main control board using OEM part DD92-00001A.

  7. 7

    Transfer all connectors to new board carefully

    Transfer all connectors to new board carefully. Secure mounting screws to 4 in-lbs torque.

  8. 8

    Reconnect heater wiring

    Reconnect heater wiring. Reinstall access panel.

  9. 9

    Restore power

    Restore power. Enter diagnostic mode to verify heater relay operation.

  10. 10

    Run Sanitize cycle while monitoring water temperature with

    Run Sanitize cycle while monitoring water temperature with external thermometer to confirm proper heating.

Read the additional checks from the current guide

How to Fix Dishwasher Error Unplug dishwasher and verify household voltage at outlet is 110-120V AC using multimeter.Remove lower access panel to access main control board and heater connections.Inspect board near heater relay for burnt components, bulging capacitors, or charred traces.Test heater element resistance per HE procedure. Replace heater if open circuit.Test thermal fuse continuity on heater housing. Replace if open circuit.If heater and fuse test good but error persists: replace main control board using OEM part DD92-00001A.Transfer all connectors to new board carefully. Secure mounting screws to 4 in-lbs torque.Reconnect heater wiring. Reinstall access panel.Restore power. Enter diagnostic mode to verify heater relay operation.Run Sanitize cycle while monitoring water temperature with external thermometer to confirm proper heating.

If the code comes back

Do not keep replacing parts based only on the code. Repeat the safe checks above. If the fault remains, stop and arrange qualified service rather than ordering from the code alone.

Recommended part

Recommended part for this error code

Part listed in the current guide

OEM candidate: DD92-00001A

Price noted in the current guide: $148

Why this part is shown: It is associated with Samsung Dishwasher error LC in the current guide. The error code alone does not prove this part has failed.

Compatibility varies by model. Confirm that the Amazon listing includes your complete dishwasher model number before ordering.

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Replacement options

Ready to replace your dishwasher?

If repairing this dishwasher no longer feels worthwhile, compare three replacement paths below.

Why shop your replacement on Amazon?

  • Fast, free delivery

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  • Convenient delivery options

    Select large appliances may offer scheduled or Room of Choice delivery.

  • Haul-away options

    Haul-away may be available for select appliances and delivery areas.

  • Installation help

    Installation or assembly may be available on select items.

Delivery and service options, fees, and availability vary by item, seller, and delivery ZIP code. Confirm available services at Amazon checkout.

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Make the money decision

Repair or replace calculator

Use the age and total repair estimate to get a simple comparison. This is guidance, not a guarantee.

Safety first

Disconnect power before opening panels or touching internal parts.

When to stop
  • Stop if you see burned wiring, melted connectors, water near electrical parts, or a gas smell.
  • Do not perform live-voltage testing unless you are trained and equipped for it.
  • Use the exact model manual or service information before replacing electronic controls.

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