Safety first: Unplug the machine immediately if it trips breakers, blows fuses, or smells of burning.

Visual inspection: Remove the brush head from the main body (if detachable). Inspect the neck, swivel, and cable entry points for crushed or cut wires. Any exposed copper or melted insulation indicates a short and the harness must be replaced.
Isolate the fault: If possible, run the main unit without the power head attached. If it runs normally, the short is likely in the power head (brush motor or wiring). If it still trips, the suction motor or main PCB may be at fault.
Do not repeatedly reset breakers: Repeatedly energizing a shorted appliance can cause further damage or fire. Leave the unit unplugged until inspected.
Professional testing: Locating a short requires continuity and insulation resistance testing with appropriate tools. This should be done by a qualified technician familiar with SEBO wiring diagrams.

Because this fault involves potential electrical hazards, DIY repair is not recommended beyond basic visual checks.

Red LED 5 illuminated or flashing, machine shuts down shortly after starting

Possible Causes