""Luas Engineers have identified that the fault lies within a critical low-voltage safety system known as the 48-volt system. This is not the overhead power system that powers the trams. Instead, it is part of the safety network that links substations to the Central Control Room and allows power to be safely controlled and monitored across the line. "The Luas operates a fail-safe safety system, meaning that if any part of the network detects an irregularity, it automatically switches to its safest possible state.""
""Since early yesterday morning, engineering, operations, management and executive teams have been working around the clock to trace the fault and safely reinstate power. Technicians have inspected 12 substations on the Luas system, identified some faults, and have potentially isolated the issue to the Broombridge-O'Connell Street section of the Green Line. Additional technicians have also been resourced to assist Luas teams.""
Red Line services are operating normally. Green Line services were suspended yesterday evening during the rush-hour commute, causing traffic disruption in Dublin city centre. Luas tickets are being accepted on Dublin Bus while Green Line service is out. Engineers have identified a fault in a 48-volt low-voltage safety system that links substations to the Central Control Room and monitors and controls power. The fail-safe safety system prevents full restoration of overhead power until the fault is resolved. Teams inspected 12 substations and have potentially isolated the issue to the Broombridge–O'Connell Street section. Eighteen trams are parked at stops with security deployed and six will be moved. No definite time for service resumption is available.
Read at Irish Independent
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