Meaco
Overheating Electrical Component
Dehumidifier or humidifier emits a burning smell during operation
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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
Dust on heater or PCB, Failing fan motor, Overheating transformer or resistor on PCB, Loose or burnt wiring connection
How to Fix / Troubleshooting
Safety: Immediately turn off and unplug the unit. Do not continue to operate it with a burning smell.
Steps:
- Visual inspection: Open the housing and look for burnt components, discolored PCB areas, or melted insulation.
- Check fan: Ensure the fan motor is running freely and not overheating.
- Clean dust: Remove dust from the PCB, heater (if present), and vents using a vacuum and soft brush.
- Repair wiring: Tighten or replace any burnt connectors or wires. Replace damaged components such as fan motor or transformer.
- Professional service: If you cannot clearly identify and correct the source, have a qualified technician inspect the unit before further use.
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Repair Difficulty
Professional Required
5/5
Required Part
Fan Motor or Main Control PCB
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