LG Range oven relay control board / PCB assembly, sub 6871W1N012B

Genuine LG electric-range oven relay control board assembly. It receives signals from the main oven control board and operates relays that regulate the oven heating elements.

Is This the Right Part?

Common Symptoms

• Little to no heat during broiling.
• Oven heating elements do not heat when an oven function is selected.
• Erratic oven temperature control.
• Oven may continue heating when a relay is stuck closed.

Check Before Replacing

• Turn off power at the range circuit breaker before accessing internal components.
• Confirm the exact range model uses part 6871W1N012B before diagnosing or ordering.
• With power disconnected, inspect the relay board and its wire terminals for visible heat damage, discoloration, or damaged components.
• Use the model-specific wiring diagram to rule out the heating element, wiring, temperature sensor, and main control before condemning the relay board.
• If live-voltage testing is necessary, have a qualified appliance technician verify whether the commanded heating circuit receives voltage; this board is only one possible cause of an oven heating fault.

Pro Tip

Part Details

Key Features

• Genuine LG electric-range oven relay control board / PCB assembly.
• Receives signals from the main oven control board.
• Provides on/off relay switching for DLB, broil, and bake oven-heater circuits.
• Exact LG manufacturer part number: 6871W1N012B.

Installation Notes

• Disconnect electrical power at the breaker or unplug the range before service.
• Follow the applicable model-specific service manual to access the oven relay PCB.
• Document connector locations before removal and reconnect each lead to its original terminal.
• After installation, reinstall all protective covers before restoring power.
• Because this board switches high-voltage oven-heater circuits, use a qualified appliance technician if wiring condition or diagnosis is uncertain.

Verified Compatible Models

LFRF0222, LFRF0222S, LRE3012SB, LRE3012ST, LRE3012SW, LRE5602SS, LRE5602SW, LRE30451SB, LRE30451ST, LRE30451SW, LRE30453SB, LRE30453ST, LRE30453SW, LRE30453WW, LSB5682SB

Fitment reminder: Match the complete appliance model number, including suffix or revision where applicable, before ordering.