Overhead Door
Electrical Overheating / Component Failure
Garage door opener emits burning smell or visible smoke on Overhead Door opener
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Shorted motor windings, Burned logic board components, Overheated capacitor, Prolonged overload operation
How to Fix / Troubleshooting
Safety first: Immediately unplug the opener and do not operate it again until inspected. Risk of fire and electric shock.
- 1. Disconnect power: Unplug the opener or switch off the breaker right away.
- 2. Inspect internally: After allowing time to cool, remove the cover and look for burnt components, melted plastic, or charred wiring.
- 3. Do not attempt temporary repairs: Do not bypass burnt components or tape over damaged wires. The unit is unsafe.
- 4. Replace failed assemblies: Typically the motor assembly or logic board must be replaced. Given the severity, consider replacing the entire opener if it is older.
- 5. Have wiring inspected: If there is any doubt about the branch circuit, have an electrician inspect the wiring and breaker.
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Repair Difficulty
Professional Required
5/5
Required Part
Motor Assembly and Logic Control Board
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