What actions are taken by a disabled Siemens to set up for assistance?

When a Siemens train system becomes disabled, a series of established protocols need to be followed in order to ensure safe and effective assistance. The actions taken by a disabled Siemens train often include specific measures to prepare for recovery or support operational integrity.

Setting up for assistance typically involves trip actions and raising pantographs. Tripping all Traction Control Units (TCUs) ensures that the train is fully isolated for safety, allowing personnel to work on the train without risk of electric shock or further operational errors. Raising the pantographs is crucial as it maintains the ability for the train to receive electric power, should assistance come in the form of a rescue locomotive or another operational train. This action not only assists the recovery process but also ensures that the electrical systems are available when necessary, should repairs or diagnostic checks be able to be performed on-site.

The other options, while potentially important in different contexts, do not encapsulate the standard immediate procedures recognized in the industry for addressing a disabled Siemens train effectively.