De Dietrich
No Power / Power Supply Failure
Dryer will not power on; display is completely dead.
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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
Tripped circuit breaker, Faulty mains power cord, Defective noise filter / mains filter board, Failed power supply section on main PCB
How to Fix / Troubleshooting
Safety first: Ensure the dryer is unplugged before checking internal components. Do not work on live circuits.
- Check outlet and breaker: Test the wall outlet with another appliance. Reset any tripped breakers or replace blown fuses in the home panel.
- Inspect power cord: Look for cuts, burns, or kinks in the power cord. Replace if damaged.
- Noise filter / mains filter: Access the entry point where the cord connects to the dryer. Test the mains filter board for continuity and signs of burning.
- Control board power: If the mains filter is good, the power supply on the main PCB may have failed. Board replacement is typically required and should be done by a professional.
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Repair Difficulty
Hard
4/5
Required Part
Mains Filter Board
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