John - Control changeover (for John luminaires manufactured from 06.11.2024) 21 November 2024 13:12 Updated Related articles You can find spare parts here Something's broken in my John's joint. Can it be repaired? The lamp head on my John is broken. Can it be repaired? My John's power adapter is defective. Can I replace it myself? The status light is showing a blue LED. What does that mean?