E08
Zwilling
Low Voltage / Power Supply Fault
E08 is displayed; machine may shut down unexpectedly or not power up fully.
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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
Failed internal power supply board, Loose mains connection, Blown internal fuse, Shorted component on main control board
How to Fix / Troubleshooting
Safety: Unplug the coffee maker. Mains voltage can be lethal. If you are not experienced with electrical work, contact a professional.
- Check outlet: Test the wall outlet with another appliance to ensure proper voltage and stability.
- Inspect power cord: Look for cuts, kinks, or burn marks on the Zwilling power cord. Replace if damaged.
- Access internal fuse: Remove the bottom or rear cover to locate the internal fuse on the power input or control board. Check continuity with a multimeter. Replace only with the same type and rating.
- Inspect for visible damage: Look for burnt components, bulging capacitors, or charred areas on the power supply or main board. Do not power the unit if such damage is present.
- Board-level repair: If the fuse blows again immediately or components appear damaged, the power supply or main control board must be replaced as a complete module.
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Repair Difficulty
Professional Required
5/5
Required Part
Power Supply Board / Main Control Board
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