EBR78940501 Fridge Control Board
EBR78940501 Fridge Control Board

LG Main refrigerator electronic control board / main PCB assembly EBR78940501, Replaces EBR78940502

Price
$306.59

Frequently Bought Together

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REFRIGERATOR DOES NOT COOL PROPERLY

LG Main refrigerator electronic control board / main PCB assembly EBR78940501, Fixes Refrigerator does not cool properly

Genuine LG main electronic control board that manages refrigerator functions including cooling and defrost timing.

Part EBR78940501Replaces EBR78940502LG
Guaranteed to Fit — or your money back.
Confirm your full appliance model number before ordering.

Is This the Right Part?

Part NumberEBR78940501
ReplacesEBR78940502
ManufacturerLG
Appliance TypeRefrigerator
Part TypeMain refrigerator electronic control board / main PCB assembly

✅ Cross Reference Information

Current Part NumberEBR78940501
ReplacesEBR78940502

Common Symptoms

  • Refrigerator or freezer fails to maintain temperature
  • Irregular or failed defrost operation
  • Refrigerator control panel or electronically controlled functions do not respond properly
  • Cooling system runs continuously or does not start when commanded
  • Refrigerator displays error codes associated with control operation

Check Before Replacing

  • Confirm the refrigerator has power and that the outlet, power cord, and circuit protection are functioning normally.
  • Record any displayed error codes and compare them with the appliance’s service documentation before replacing the board.
  • Check that control-panel settings are enabled and that the refrigerator is not in a showroom/demo mode.
  • With power disconnected, visually inspect accessible wiring harnesses and board connectors for loose, backed-out, pinched, or damaged connections.
  • Do not assume the board is defective until more commonly failed components and wiring have been checked by a qualified technician.

Pro Tip

Control boards are frequently misdiagnosed; verify power, wiring, and other related components before replacing this board.

Part Details

Part NumberEBR78940501
Part TypeMain refrigerator electronic control board / main PCB assembly
ManufacturerLG
Appliance TypeRefrigerator
Primary FunctionControls refrigerator operating functions, including cooling and defrost timing.

Installation Notes

  • Safely store or protect perishable food while the refrigerator is powered off.
  • Unplug the refrigerator before beginning installation.
  • Wear work gloves to help protect hands during replacement.
  • Match all connectors and board labeling to the original part, and do not force connectors.
  • If board-level electrical diagnosis is required, use a qualified appliance technician.

Verified Compatible Models

LFXS29626B, LFXS29626B/00, LFXS29626B/01, LFXS29626S, LFXS29626S/00, LFXS29626S/01, LFXS29626W, LFXS29766S, LFXS29766S/00, LFXS29766S/01

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

✅Compatibility & Cross Reference

EBR78940502

LFXS29626B, LFXS29626B/00, LFXS29626B/01, LFXS29626S, LFXS29626S/00, LFXS29626S/01, LFXS29626W, LFXS29766S, LFXS29766S/00, LFXS29766S/01

EBR78940501, LG, Main refrigerator electronic control board / main PCB assembly, Refrigerator, EBR78940502

Not sure about your model number? Call 1-877-899-7278 and we’ll help you confirm. All brand names are the property of their respective owners and are used for compatibility reference only.

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