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Microwave won't heat but runs and hums? A failed magnetron is the likely cause. This part generates microwave energy. DIY repair takes about 2 hours.
I talked to the local appliance repair and they told me it would be $190 for the part. I asked them how much for them to fix it and it was over $300. That was if I took it to them. Appliance part had the part for $130 and it took me 2hrs. Read more
If your microwave isn't heating food or heats unevenly, the magnetron may have failed. This high-voltage tube generates microwave energy for cooking.
Microwave not heating? This magnetron generates microwaves to heat food. Replacing a faulty magnetron restores heating and stops cooking failures.
Microwave not heating food? The magnetron generates microwaves for cooking. Moderately difficult repair requiring high-voltage precautions.
Microwave not heating or heating unevenly? A failed magnetron is the likely cause. This high-voltage tube generates microwave energy to cook food.
This is a double oven so you must pull unit out of cabinet. After that you must pull microwave off of unit Read more
Fix a microwave that won't heat but runs normally. This magnetron generates the microwaves that cook your food. Professional repair recommended.
Microwave won't heat but runs normally? This magnetron generates microwave energy to cook food. Requires high-voltage safety knowledge to replace.
Microwave won't heat food? This magnetron generates the microwave energy needed for cooking. Moderately difficult repair requires electrical safety.
Fix a microwave that won't heat with a new magnetron. This part generates the microwave energy needed for cooking. Moderate DIY repair, 1-2 hours.
LG Help-line said probably a failed magnetron, but since out of warranty,referred me to an authorized LG repair service. They wanted $79.95 service call to come out & diagnose problem. I ordered replacement magnetron for less than cost of a service call, Plus the part was delivered next day! Works like new again. Happy wife = happy life! Notes for DYI-ers: 1.Be careful removing over the stove microwaves--get help,they are heavier than you think. 2.Unplug microwave for 48 hrs, carefully... Read more
Usually ships within 4 - 14 days
Microwave not heating or takes too long to warm food? This magnetron generates the microwaves that cook your food. Moderate repair difficulty.
Microwave not heating food? This magnetron generates microwave energy to heat food. Requires removing unit from cabinet for installation.
Microwave not heating? The magnetron generates the microwaves that heat food. This repair requires technical skill. Commonly fails after years of use.
This duct-magnetron (waveguide duct) directs microwave energy from the magnetron into the oven cavity and helps protect internal components. Replacing a damaged duct restores proper wave guidance and prevents arcing or burn damage. What it does:
Replace a faulty magnetron if your microwave runs but doesn't heat food. This high-voltage component generates microwaves. Intermediate repair, 1-2 hours.
Microwave not heating food? This magnetron generates the microwaves that heat your food. Common fix for no heat issues. Requires panel removal to access.
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