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Siemens SINAMICS V20, V90 and V50
The SINAMICS V series brings together Siemens drives designed for standard applications, with simple installation and commissioning: the V20 inverter for pumps, fans and conveyors, the V90 servo drive for positioning axes and the V50 cabinet inverters for higher power ratings.
The E-Repair catalogue covers about 95 part numbers from the V series.
⚙️ The three series
| Series | Typical use | In the catalogue |
| V20 | Basic inverter for pumps, fans, conveyors and simple machines, with single-phase or three-phase supply | about 40 inverters (root 6SL3210), plus parameter loaders and spare fans |
| V90 | Servo drive for SIMOTICS S-1FL6 motors, with pulse train or PROFINET control | about 18 drives (root 6SL3210), plus filters and cables (6SL3203, 6SL3260, 6FX3002) |
| V50 | High-power cabinet inverter | about 28 part numbers including spare boards, switches and tools (6SL3351, 6SL3700, 6SL3056) |
👉 6SL3210-5BB11-2AV0 – SINAMICS V20
👉 6SL3210-5FB10-1UF0 – SINAMICS V90
👉 6SL3203-0BB21-8VA1 – filter for V90
👉 Search the catalogue: 6SL3210-5B · 6SL3210-5F · 6SL3260
⚠️ Typical faults
- power stage damaged by overloads or short circuits
- worn fans, with overtemperature
- on V90 units, communication problems with the motor encoder or damaged cables
- faulty control boards and interfaces in V50 cabinets
🛠️ E-Repair services for SINAMICS V20, V90 and V50
As Approved Partner Siemens – Industry Services, E-Repair supports production continuity:
🔧 Component-level repair in E-Repair's certified in-house laboratory, with diagnosis and repair where technically feasible.
♻️ Refurbishment with replacement of components subject to ageing and functional testing according to the agreed scope of work.
🚚 Advance replacement with a refurbished or new product, if available in stock and after a compatibility check.
💾 Support in saving and restoring parameters.
🛠️ On-site and remote technical assistance for diagnosis and recommissioning.
✅ Standard 12-month warranty on the services for which it applies, extendable up to 24 months under the applicable conditions.
❓ Frequently asked questions
✔️ Can a V20 or a V90 be repaired?
Yes, in many cases. E-Repair carries out a diagnosis and assesses a component-level repair.
✔️ Does the V90 work with any servomotor?
No: the V90 is designed for SIMOTICS S-1FL6 motors. For a replacement, motor, encoder and cables must be checked.
✔️ What is needed for the diagnosis?
The full part number, the fault message and, if possible, a parameter backup.
📚 Further reading
👉 SINAMICS range · 👉 SINAMICS S210 · 👉 G110 and distributed inverters · 👉 SIMOTICS range
ℹ️ The information provided is general and indicative. Before purchase, installation or commissioning, check the data against the official Siemens documentation or contact E-Repair.
