The information does not state how the task is to be carried out.
1 - Check the accuracy on equipment’s configuration. What exactly would the technician do to check on this?
2 - Check the internal problem from customer - What is the internal problem being referred and how is this to be tested?
3 - Other tests required from customer - What do you mean by this? We are the one requesting your technician to perform intrusive test not the other way around.