How to fix automatic interlocking failure on Siemens FC18 Controller?
- SSharon JordanSep 6, 2025
To resolve automatic interlocking failures on your Siemens Controller, ensure that both the controller and interlocking panel are in automatic status. Check that the logic expression is correctly set. Also, examine wire connections. If interlocking equipment is damaged, replace it. Change configuration, set/change logic expression, examine wire connections and change damaged interlocking equipment.