LG Dishwasher IE Error Code Explained: Meaning, Causes & Fixes

 
Safety Precautions
 

• Always disconnect the dishwasher from the power source before beginning any troubleshooting or repair work to avoid electrical hazards.
• Wear proper safety gear such as gloves and safety glasses when handling water and electrical components.
• Ensure the area surrounding the dishwasher is dry to reduce the risk of slips or shocks.

 
Preparing for Repair
 

• Locate the dishwasher’s service manual, if available, for reference to component locations and wiring diagrams.
• Gather necessary tools including screwdrivers, pliers, a multimeter for electrical testing, and cleaning supplies.
• Confirm that the water supply is turned on and that no other household appliance is affecting pressure in the water line.

 
Inspecting the Water Inlet System
 

• Verify that the water inlet hose is not kinked or bent. Straighten the hose if necessary and ensure it is securely connected.
• Disconnect the water inlet valve carefully to check for debris or sediment that might be blocking the water flow. Rinse both the valve and filter screen under running water.
• Examine the water inlet valve for any signs of wear, mineral buildup, or damage. If mineral deposits are present, soak the valve in a descaling solution as recommended by the manufacturer.
• Use a multimeter to test the inlet valve for proper continuity. Refer to the repair manual for the correct electrical specifications. Replace the valve if it fails to meet the required parameters.

 
Examining Internal Components and Connections
 

• Open the dishwasher’s front or rear access panel to inspect internal wiring. Look for any loose connections, corrosion, or burnt components that might affect the sensor or control board function.
• Ensure that the wires leading to the water inlet valve and sensor modules are securely connected. Tighten any loose terminals and replace damaged wiring if found.
• Clean the area around the filter assembly inside the dishwasher, making sure that no food debris or mineral buildup interferes with the water flow.

 
Resetting the Dishwasher Control System
 

• After performing all physical inspections and cleaning tasks, reset the control board by disconnecting the power completely for several minutes. This helps clear any error codes stored in the system memory.
• Reconnect the power and attempt to start a short cycle to see if the error persists. Monitor the water inlet operation during this cycle.
• If available, follow the manufacturer’s specific reset instructions, which might involve holding down certain control buttons or entering a diagnostic mode.

 
Testing and Final Verification
 

• Run a diagnostic cycle if the dishwasher model provides that functionality. Observe for any anomalies in water filling or error code reoccurrence.
• Check the water pressure by comparing the inlet flow against the manufacturer’s recommendations. Adjust household water pressure if it is too low or consider installing a pressure booster if needed.
• Observe the dishwasher during its cycle for any leaks or unusual sounds that might indicate an ongoing problem with the water inlet system or electrical components.

 
When to Seek Professional Assistance
 

• If the above steps do not clear the IE error, consult a qualified appliance repair technician. Professional service may be necessary to diagnose complex issues related to the control board or sensor assembly.
• Do not attempt any repairs that require advanced technical expertise unless you are fully confident in working with home appliances. Safety should always be the primary concern.