LG EBR77384109 Air Conditioner Main PCB Assembly

SKU: EBR77384109 4-EBR77384109 Brand:
LG
Availability:
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$244.00 Price reduced from $296.95
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Description

The LG EBR77384109 Washer Main PCB Assembly is responsible for handling functions of the washer and the washing cycles. It handles the commands from the user, controls the power supply and controls the speed of the motor. Sensors feed information back to control water, temperature, and spin for better performance. This component increases performance by maintaining the cycle control and minimizing energy wastage and equipment breakdowns.

Step1: Turn off main power supply and unplug air conditioner unit.

Step2: Open indoor unit service panel carefully.

Step3: Photograph all wiring connections for reference.

Step4: Disconnect old PCB gently, avoid static discharge.

Step5: Install new board, align and secure screws tightly.

Step6: Reconnect wiring exactly as labeled from reference.

Step7: Restore power and test operation for safety.

  • What maintenance is required for the LG EBR77384109 Main PCB Assembly?

    Keep the air conditioner PCB assembly area clean and free from dust, moisture, and debris. Inspect connectors regularly for corrosion or looseness. Proper maintenance ensures stable control signals, avoids short circuits, and maintains accurate AC operation.

  • What are common issues with the LG EBR77384109 Main PCB Assembly?

    • Air conditioner not turning on or responding.
    • Erratic temperature control.
    • Display errors or malfunctioning indicators.
    • Intermittent operation or fan failure.

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