Rowenta
No Power / Dead Control Board
Humidifier will not turn on at all, no lights or display.
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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
Blown internal fuse, faulty power cord, failed main control PCB, defective power switch
How to Fix / Troubleshooting
Safety: Unplug the unit before any inspection. Do not open sealed components if you are not qualified.
- Check outlet: Test the wall outlet with another appliance to confirm it has power.
- Inspect power cord: Look for cuts, kinks, or burn marks. If damaged, the cord must be replaced.
- Try another outlet: Avoid power strips and surge protectors during testing.
- Internal fuse (advanced): Some Rowenta units have an internal fuse on the PCB. If you are experienced, open the housing and check the fuse with a multimeter. Replace only with the same type and rating.
- If still dead: The main control PCB or power supply is likely defective and should be replaced by a technician.
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Repair Difficulty
Hard
4/5
Required Part
Main Control PCB
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