What action should be taken if the Compressor Fault light illuminates on a 3 car train?

In the event that the Compressor Fault light illuminates on a 3 car train, driving at low speed to the next station is a prudent choice. This action allows for a balance between ensuring the safety of the passengers and the integrity of the train system.

By proceeding at a reduced speed, the crew can maintain control of the situation while also allowing for the necessary operational checks to be conducted without creating undue risk. Low-speed travel minimizes the potential for further damage to the train's compressor system or related components, which could arise from higher-speed operation under fault conditions. Additionally, it facilitates a safe arrival at the next station where trained personnel can assess the situation further and take appropriate measures, including repairs or alternative arrangements for the passengers.

The other options, while they may seem to address the fault, either create unnecessary risk or do not align with standard operational protocols for handling such incidents effectively.