Lg Dishwasher: error code LE, burning smell, electrical sparks

Professional Repair Guide

What is this symptom?

If your LG dishwasher displays the LE error code along with a burning smell and electrical sparks, it's crucial to address the issue immediately. This alarming combination indicates potential motor system malfunctions, wiring problems, or control board faults. Ignoring these symptoms can lead to further damage or safety hazards.

Urgency: High

Possible Causes

Motor system malfunction (motor overload, locked impeller or rotor)

How to Identify: LE error indicates the motor isnâ€™t sensing normal rotation; motor may overheat, produce burning smell, or fail to run; impeller can be obstructed preventing rotation. Check if motor fails to spin freely by hand (power off.

Part: Wash pump motor / circulation pump

Wiring harness damage or loose electrical connections

How to Identify: Signs of frayed, burnt, loose wires behind toe kick panel or near motor; electrical sparks observed; burning smell centered near wiring areas.

Part: Internal dishwasher wiring harness / connections

Control board fault

How to Identify: Persistent LE error even after checking motor and wiring; visible burn marks or smell near control board; intermittent random faults.

Part: Main control board / PCB

Burnt solenoid on drain or valve components

How to Identify: Burn marks near solenoid connection, burning smell during drain cycle without full motor operation.

Part: Drain valve solenoid

Preventive Maintenance

Regularly inspect and clean sump and impeller area: Obstructions that can cause motor strain and LE errors
Frequency: every 3â€“6 months
Check wiring harness for wear: Loose connections or frayed wires leading to electrical faults
Frequency: annually

Frequently Asked Questions

Why is my LG Dishwasher error code LE, burning smell, electrical sparks?

The LE error could be due to motor system malfunctions, damaged wiring, or control board faults.

How do I fix LG Dishwasher error code LE, burning smell, electrical sparks myself?

Unfortunately, there are no DIY solutions for this issue; professional help is recommended.

How much does it cost to fix error code LE, burning smell, electrical sparks?

Repair costs can vary widely depending on the cause; consult a technician for a precise estimate.

When should I call a technician for error code LE, burning smell, electrical sparks?

You should call a technician immediately due to the high urgency and potential safety risks.

Community Analytical Insights

Analysis based on real user discussions from appliance repair communities

Can I Fix This Myself?

50%

DIY Success Rate Difficulty: Professional

Common Issues Reported by Users

Faulty motor assembly causing overheating and electrical shorts
Damaged wiring harness leading to electrical sparks and burning smell
Clogged drain system causing motor strain and overheating

User Suggested Solutions

Inspect the wiring harness for damage. If damaged, replace the wiring. Ensure connections are secure and free from corrosion.
Replace the faulty motor assembly as per LG service bulletin instructions. Disconnect power, remove the old motor, and install the new one.
Clear any clogs in the drain system. Check filters and hoses for blockages, clean as necessary to ensure proper water flow.

Analysis based on 1 community discussions
View Sources

Data compiled from real discussions on r/appliancerepair and r/Appliances:

Repair or replace?

Community Discussions

LE code, burning plastic smell, sparks at wiring harness connection

LG has a service bulletin for the motor issue; a technician is being sent to diagnose.