What to Check First
- Debris in the oven. When the oven is not cleaned regularly, food crumbs can cause sparking. Clean food spills immediately and keep the interior of the NeoChef clean. Some products such as whole eggs in shell, sealed containers and closed jars should not be heated in the microwave because they can explode. Clean all debris. Foods that can explode.
- Rusty or damaged unit. A rusty or damaged unit is dangerous. If the interior of your NeoChef shows signs of rust or scratches, sparking and arcing can occur. Discontinue the use of the unit and request for service or replacement immediately. Scratches on the microwave. Scratches on the NeoChef.
- Operate empty unit. The microwave should NEVER be operated empty. There must be something inside the unit to absorb the microwaves or the cavity will be burned/scorched.
- Need more support? If you still have issues related to your unit, check our large community forum. LG Ask the Community is a platform where people using the same LG products discuss and resolve product issues.
- Arcing and sparking must be avoided. The following are the factors responsible for sparking in microwaves. Ensure to use the right cookware and clean the unit occasionally.
- Not all cookware and utensils should be used in microwaves. Some, especially metal, can cause sparking to occur in cavity. Do not use anything in the NeoChef that is NOT microwave safe.
- To avoid risk of personal injury or property damage, do not use stoneware, large sheets of aluminum foil, metal utensils or trimmed utensils in the oven.
- Heat-resistant plastic over 120 o C.
- Use with care (cooking shortly).
- When the oven is not cleaned regularly, food crumbs can cause sparking. Clean food spills immediately and keep the interior of the NeoChef clean.
Why This Can Happen
Symptoms can have more than one cause, and the correct steps depend on the exact model, installation and operating conditions. Use the checks above to narrow the issue before service.
Safety and Model-Specific Guidance
Frequently Asked Questions
What should I check first for NeoChef - Arcing or Sparking?
Debris in the oven. When the oven is not cleaned regularly, food crumbs can cause sparking. Clean food spills immediately and keep the interior of the NeoChef clean. Some products such as whole eggs in shell, sealed containers and closed jars should not be heated in the microwave because they can explode. Clean all debris. Foods that can explode.
When should I stop troubleshooting and contact LG?
Stop if the product shows signs of electrical damage, burning, leaking near electrical components, or if the recommended checks do not resolve the issue. Use LG USA support for model-specific service guidance.
Does this guidance apply to every LG model?
Not always. Controls, error codes and service steps can differ by model. Confirm the exact model number and follow the linked LG USA article for model-specific instructions.
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