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HomeRepair HelpEstate Microwave RepairEstate Microwave producing a burning smell Repair
Estate Microwave producing a burning smell
If your Estate microwave smells like burning, stop using it and unplug it until you identify the cause. The most likely problem is a damaged or loose waveguide cover, which can arc and burn, especially if food debris has collected around it. If the cover is burned, cracked, or will not stay in place, replace it. If the oven cavity is clean and the waveguide cover is sound, the power supply board may have a burned mark or shorted component. A defective high-voltage capacitor or capacitor can also overheat and produce a burning smell, as can a damaged thermostat. Food splatter and debris left inside the cavity may continue cooking and create a burning odor, so clean the interior and cover food before use. Enter your Estate microwave model number to find the exact replacement waveguide cover, power supply board, high-voltage capacitor, capacitor, or thermostat for your appliance. Repairs involving the power supply board, high-voltage capacitor, high-voltage diode, magnetron, or any work requiring removal of the outer cabinet require caution because the high-voltage capacitor can store a lethal charge even after the microwave is unplugged. Proper capacitor discharge is required before interior work, and a qualified technician should handle it if you are not familiar with the procedure.
01 - Estate Microwave Waveguide Cover
The waveguide cover might be damaged and arcing or burning. If this is the case or if the cover will not stay in place, replace it with a new one.
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02 - Estate Microwave Power Supply Board
If you've confirmed the oven cavity has been cleaned of all food debris and the waveguide cover is in good condition, a defective power supply board could be one of the components producing a burning smell. You should inspect the board for any burn marks or a shorted component and replace if necessary.
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03 - Estate Microwave High Voltage Capacitor
The high voltage capacitor works with the high voltage diode to convert the output of the transformer to DC voltage and to double the output voltage. A defective capacitor may overheat and produce a burning smell. Inspect the capacitor for visible damage or burn marks and replace if necessary.
Highly Likely
04 - Estate Microwave Capacitor
The capacitor works with the high voltage diode to convert the output of the transformer to DC voltage and to double the output voltage. A defective capacitor may overheat and produce a burning smell. Inspect the capacitor for visible damage or burn marks and replace if necessary.
Highly Likely
05 - Estate Microwave Thermostat
If you've confirmed the oven cavity has been cleaned of all food debris and the waveguide cover is in good condition, a defective thermostat could be one of the components producing a burning smell. You should inspect the component for any burn marks or damage and replace if necessary.
Highly Likely
06 - Interior Cavity not Clean
Food that is left on the interior of the microwave can continue to cook each time the microwave is used, resulting in a burning smell. Always cover food when cooking to avoid splatter and wipe up any spills after use.
Highly Likely
Frequently Asked Questions
Why does my Estate microwave smell like burning?
Can a dirty cavity or waveguide cover cause an Estate microwave burning smell?
Is a burning smell from my microwave dangerous?
How do I test an Estate microwave capacitor, power supply board, or thermostat?
How do I find the correct Estate microwave waveguide cover or other replacement part?
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