The reported issue was investigated with the following result.The described behavior was caused by a de-calibrated joystick.This behavior could be reproduced as shown in the provided videos.Following the re-adjustment of the joystick by the service technician, the issue at the concerned site was resolved.The joystick was later exchanged following the successful re-calibration and requested for further investigation, however, it was not provided despite several requests.Therefore, a detailed analysis of the joystick was not possible.The spare part consumption of the concerned part (cross switch with poti, material number 7030765) shows values below the defined threshold.In the maintenance instructions the adjustment of the joystick is part of the required actions (see xpd3-340.831.20.07.02, chapter 5.2.12.2 options, checking the unit control console for function and damage).
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