Miele
No Power / Power Supply Failure
Machine will not power on; display remains dark
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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 on control board, faulty mains switch, defective power cord, failed power supply section on main board
How to Fix / Troubleshooting
Safety first: Ensure the machine is unplugged before opening. Mains voltages are present inside.
User-level checks:
- Verify the outlet has power by testing with another appliance.
- Check that any external power switch on the machine is in the ON position.
- Inspect the power cord for visible damage.
Technical inspection:
- Remove the outer cover to access the main control board.
- Check the internal fuse(s) on the board; replace only with identical type and rating if blown, and investigate why it blew.
- Inspect the mains switch and wiring for loose connections.
- If fuses and wiring are intact but no standby voltage is present, the power supply section of the board is likely defective.
Resolution:
- Replace a damaged power cord or mains switch.
- Replace the main control board if the power supply is faulty; this should be done by a qualified technician.
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Repair Difficulty
Professional Required
5/5
Required Part
Main Control Board / Internal Fuse
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