E08
Blomberg
Convection (Fan) Heating Element Fault
Oven display shows E08; fan oven mode does not heat properly or fan symbol flashes.
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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
Open-circuit convection heating element, burned element terminals, loose wiring at fan element, failed fan element relay on PCB
How to Fix / Troubleshooting
Safety first: Isolate the oven from mains power before removing the rear panel or internal covers.
- Access fan element: Remove the oven shelves and the rear interior panel inside the cavity to expose the circular fan element around the convection fan.
- Visual inspection: Look for visible breaks, blisters, or burn marks on the circular element. Check the terminals for discoloration or loose spade connectors.
- Test the element: Disconnect at least one wire from the element and measure resistance with a multimeter. An open reading (OL) indicates a failed element.
- Check wiring to PCB: If the element tests good, trace the wires back to the main control board and inspect for damage or loose connections.
- Replace faulty parts: Replace a defective convection (fan) heating element. If wiring and element are good, suspect a faulty fan element relay on the main control board and replace the board.
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Repair Difficulty
Medium
3/5
Required Part
Convection (Fan) Heating Element
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