To Next Page
S
Stephanie SanchezNov 1, 2025
What to do if Siemens Security System displays 'Line fault' error message?
- HheidimorganNov 1, 2025
If your Siemens Security System shows a 'Line fault' error, try the following: First, switch off the 'Zone' assigned to the collective detector line to simultaneously switch off the 'Zone' and the physical collective detector line. Alternatively, switch on the 'Zone' assigned to the collective detector line to simultaneously switch on the 'Zone' and the physical collective detector line. If the error reappears within approximately 30 seconds, inspect the end-of-line element for the correct type, visual signs of corrosion, and proper resistance value (3.3 kΩ or 4.7 kΩ), considering tolerances. If the error reappears much later (hours, days, or weeks), check the line specifications, base contacts, and detectors for creeping short-circuits or open lines, as the detector line may be in a gray ...
General
