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Mitsubishi MDS-D-V3-202020: überholte und geprüfte Austauscheinheit für Citizen L7-20
21.10.2026 by Viktor Siebert
Mitsubishi MDS-D-V3-202020 servo drive: “The machine is running perfectly again”

“The machine is running perfectly again, and I am very satisfied with the solution.”

Translated excerpt from written customer feedback. The customer is a manufacturing business in East Westphalia, Germany, producing lubrication equipment and turned parts. Three axes had failed on its Citizen L7-20. The affected Mitsubishi servo drive was an MDS-D-V3-202020, also marked MDSDV3-202020 on the nameplate.

From inspection to a replacement solution

Inspection of the submitted servo drive revealed a defective control board. The initial repair attempt did not achieve the required result. We therefore agreed the next steps with the customer and sourced a replacement unit.

We overhauled and tested the replacement before shipment. A prepared replacement unit provided the solution for this order.

Support during commissioning

Our support continued after shipment. We also assisted the customer with troubleshooting during commissioning. In his subsequent message, he confirmed that the machine was running perfectly again and that he was very satisfied with the solution.

Customer feedback

“Thank you very much for your competent and professional support.”

This feedback recognises the support provided through to a functioning machine. Thank you for your trust, cooperation and kind feedback. We are pleased that the Citizen is working properly again.

Technical background

Further details of the inspection, preparation and testing are available in our technical report on the Mitsubishi MDS-D-V3-202020 in the Citizen L7-20.

Video and photographs

The test footage was recorded at industrypart. The photographs distinguish the original unit from the prepared replacement. The nameplate belongs to the original unit.

Mitsubishi MDS-D-V3-202020: Overhauled and tested replacement unit
Overhauled and tested replacement unit
Mitsubishi MDS-D-V3-202020: Replacement unit, additional view
Replacement unit, additional view
Mitsubishi MDS-D-V3-202020: Original unit before work
Original unit before work
Mitsubishi MDS-D-V3-202020: Nameplate of the original unit
Nameplate of the original unit
Mitsubishi MDS-D-V3-202020: Original unit, additional view
Original unit, additional view

Translated excerpts from written customer feedback. industrypart added the technical background. The statement about correct operation relates to the time of the feedback. Names, company name and contact details are not published.

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