Lg Oven: smoking

Professional Repair Guide

What is this symptom?

Experiencing smoke from your LG oven? This issue may occur during cooking, pre-heating, or self-cleaning. Common causes include burning food residue, factory oils from a new oven, or improper cookware. Understanding these factors can help you identify and resolve the problem quickly.

Urgency: Medium

Important Tips for Lg Models

  • LG official support notes that smoke or strong odors on first use are normal due to packaging insulation and factory oils.

Possible Causes

Burning food residue or grease inside oven

How to Identify: Smoke appears shortly after pre-heating or cooking begins; noticeable burnt food/oil smell; visible grease or residue on oven interior

Part: Oven interior surfaces, oven floor, racks

Factory oils or protective coatings burning off (new oven)

How to Identify: Smoke/strong odor primarily during first few uses of a new oven; often accompanied by chemical or oily smell

Part: Internal protective coatings, heating elements

Oven cleaning residue burning

How to Identify: Smoke occurs after recent deep cleaning; odor of cleaning solution burning

Part: Interior oven surfaces

Incorrect or off-gassing cookware or liners

How to Identify: Smoke appears and seems tied to specific cookware or liners, especially foil touching elements

Part: Cookware, oven liners

Malfunctioning heating element causing grease burning or sparking

How to Identify: Smoke persists despite cleaning; visible damage to element; unusual noises or uneven heating

Part: Heating element

DIY Solutions

Clean oven interior to remove food/residue buildup

Moderate 30–60 minutes
Tools Needed: Oven cleaner or baking soda/vinegar, Soft cloth, Oven rack brush
  1. Ensure oven is completely cool and unplug if possible.
  2. Remove oven racks and wipe visible food debris and grease.
  3. Apply oven cleaner or baking soda and water paste on stubborn spots, let sit, then wipe clean.
  4. Replace racks and run a short pre-heat to verify reduced smoke.
⚠️ Safety First: Wear gloves and ventilate area.

Run burn-in cycle for new oven

Easy 30–60 minutes
Tools Needed: Ventilation (windows/fan)
  1. Ensure all packaging materials are removed.
  2. Ventilate kitchen well.
  3. Run oven at 400–450°F empty for about 30–60 minutes.
  4. Allow to cool and wipe interior if needed.
⚠️ Safety First: Do not place food inside during burn-in.

Avoid improper foil lining and cookware use

Easy 5–10 minutes
  1. Do not line oven bottom with aluminum foil.
  2. Use oven-safe cookware that does not off-gas at high temps.
  3. Ensure no contact between foil and heating elements.

Professional Repairs

Heating element inspection and replacement

Estimated Cost: $100–$300

Internal electrical inspection for wiring faults

Estimated Cost: $150–$400

When to Call a Professional

Smoke persists after thorough cleaning and proper use
Visible damage to heating element
Unusual burning smells not related to food or coatings
Smoke accompanied by sparks or electrical smells

Preventive Maintenance

  • Regular oven cleaning: Smoke caused by food residue and grease buildup
    Frequency: monthly or as needed
  • Burn off residues when oven is new: Initial smoke and odors from protective oils
    Frequency: once after installation

Frequently Asked Questions

Why is my LG Oven smoking?
Your LG oven may be smoking due to burning food residue, factory oils from a new oven, or improper cookware.
How do I fix LG Oven smoking myself?
To fix it, clean the oven interior, run a burn-in cycle for new ovens, and avoid using improper cookware.
How much does it cost to fix smoking?
Professional repair costs can range from $100 to $400, depending on the issue.
When should I call a technician for smoking?
Call a technician if the smoking persists after DIY solutions or if you suspect a malfunctioning heating element.

References & Sources

Community Analytical Insights

Analysis based on real user discussions from appliance repair communities

Can I Fix This Myself?

75%
DIY Success Rate Difficulty: Either

Common Issues Reported by Users

  • Burned out relay board wire
  • Food debris or grease buildup inside the oven
  • Faulty heating element

User Suggested Solutions

  1. Inspect and replace the burned out relay board wire. Ensure power is disconnected before starting the repair. Access the relay board, identify the damaged wire, and replace it with a new wire of the same gauge.

  2. Clean the interior of the oven thoroughly to remove any food debris or grease. Use a suitable oven cleaner and follow the manufacturer's instructions for safe cleaning.

  3. Test the heating element for faults. If it appears damaged or is not heating properly, replace it. Disconnect power, access the heating element, and replace it with a new one.

Analysis based on 1 community discussions
View Sources

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

  1. LG Oven Smoking \ burned out relay board wire

Community Discussions

oven smoking, burned out relay board wire

Replace the relay board and repair the burned wire.

DIY View on Reddit →

Source: Reddit r/appliancerepair

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