A patient was interrogated and a warning message appeared stating that the auto-stimulation frequency was set to an unexpected value.The programming data was provided and it showed that the generator's parameters were set back to expected values after a system diagnostic test was performed.When the generator was interrogated again later on the same day, the frequency was set back to expected levels.The cause of the event could not be verified with the provided data because it was potentially related to the generator incorrectly reading the data or the data being altered during communication, which was not detected by the programming software.The patient's therapy was not suspected to be affected because the patient's settings were at expected values at the end of the programming session.
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