The part(s) or condition(s) listed below for the symptom Freezer is producing a burning smell are ordered from most likely to least likely to occur. Check or test each item, starting with the items at the top of the page.
An obstructed or aging evaporator fan motor can produce a burning smell. Clear any obstruction and inspect the motor for visible signs of damage and replace if necessary.
A power cord that is frayed with exposed wiring or has prongs that are blackened could be producing a burning smell. A damaged or worn power cord should be replaced immediately with a new one.
Inspect the wiring and connectors in the area of the smell. A bad connection or pinched or shorted wire can produce a burning smell.
The compressor start device, also known as a start relay or start relay and overload kit, may have failed. This will usually cause the compressor to not start. If the burning smell is coming from the compresser area check the start device. If the start device smells burnt, or the compressor is trying to start but can't, the start device is likely bad and will need to be replaced.
The freezer control board is usually located on the rear panel of the appliance. If the board shorts out or is damaged by a power surge, it can produce a electric burning smell. Inspect the control board for any burn marks and replace if necessary.
The freezer's main control board is usually located on the rear panel of the appliance. If the board shorts out or is damaged by a power surge, it can produce a electric burning smell. Inspect the main control board for any burn marks and replace if necessary.
Higher wattage light bulbs (75 -100 watt) can heat up quickly, start melting the plastic liner, and produce a burning smell. Make sure a 40 watt or lower light bulb is installed, which is standard for freezers. If you're not sure, check the owner’s manual.
An obstructed or aging condenser fan motor can produce a burning smell. Clear any obstruction and inspect the motor for visible signs of damage and replace if necessary.
If the light or lights are staying on inside the freezer when the door is fully closed, it's possible the freezer's light switch is malfunctioning and will need to be replaced.
If the light or lights are staying on inside the freezer when the door is fully closed, it's likely the freezer's door switch is malfunctioning and will need to be replaced.