Robot mower displays E6 and stops; may occur when starting or during mowing.

Safety first: Turn OFF the mower's main switch before handling the boundary wire or charging station.

• Check charging station LEDs: On McCulloch stations, a steady green light usually indicates a good loop. Flashing or no light suggests a loop fault or power issue.
• Verify power supply: Ensure the low-voltage transformer is plugged into a live outlet and the cable to the station is intact.
• Inspect boundary wire connections: At the charging station, remove and reinsert the boundary wire ends. Make sure the insulation is stripped correctly and the wire is firmly clamped.
• Look for visible wire damage: Walk the perimeter and inspect for cuts from edging tools, pets, or garden work. Pay special attention to flower beds and paths.
• Use loop test function (if available): Some models allow a loop test from the menu. Run it to confirm continuity. If the loop is broken but you cannot find the break, use a wire locator or temporarily bypass sections to isolate the fault.
• If loop and power are OK: Persistent E6 with a solid station LED may indicate a defective loop generator in the station or a receiver fault in the mower, requiring professional diagnosis.