How to Fix Samsung Dishwasher Error LC

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⚠️ Safety Warning: Appliance repair involves electricity, gas, and moving parts. Always disconnect power before working on any appliance.

Error Code: Dishwasher Difficulty: Hard

Problem: Low current error; insufficient power to heater circuit indicating relay or board fault

⚖️ Repair Decision

⚠️ CHECK WARRANTY / AGE

$100 – $250 Range

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.

OEM Part #: DD92-00001A

Estimated Market Price: $148

If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.

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Appliance Type

Appliance Age

Estimated repair cost (parts, or parts + labor) Most DIY parts are $50–$250. If you have a quote, use the total.

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EPA Section 608 Certified Technician with 18+ years experience.