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Control Techniques Mentor II brought back to life

NDC got a call to attend site in an emergency situation to a Control Techniques Mentor II that had failed within a plastics extruder application. One of NDC’s Field Service Engineers was despatched to site to diagnose the problem.

Diagnosis of the fault was performed on NDC’s Mentor Test Rig which was designed to ‘proof test’ these drives from information provided by NDC’s ‘reverse engineering’ techniques. This procedure produces working drawings, connections and parts inventories. Not only does this allow NDC to accurately pin point the problem but it also allows them to have access to replacement components rapidly. The damaged components were replaced and the drive was subjected to a complete refurbishment which includes the replacement of ‘aged’ components. This technique not only ensures that the ‘mean time to failure’ is optimised but also allows NDC to cover the equipment with full 12 months parts and labour warranty. Proof testing was again performed on the test Mentor Test Rig. Having this information in NDC’s library ensured that the work was completed and the drive reinstalled with 24 hours of the initial customer call. Part of the service includes an upgrade the drive, which from experience, is suspect in certain applications. This avoids reoccurrence of such a problem.

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