I hope they have stopped using the system now. Is the system still working or do you get error messages? Is the coil still being recognised?
I really wish customers would do a better check on their systems and not let damage progress so far. If they are treating a number of patients every day, all day, 5 days a week, they should check the connections every few days at least. If they use the system only once or twice a week, with one of two subjects, for research purposes, it would be enough to check maybe once a month. It really depends on the usage of the system.