Product Description
Certified Industrial Test Lab
Siemens Industrial Frequency Inverter & Servo Drive Repair Service
Full component-level diagnostics and repair for Siemens Simodrive 611 (6SN1123, 6SN1118, 6SN1145), Sinamics S120, G120, Micromaster 420/440, and Masterdrives. Validated under 400V dynamic motor dynamometer load with an unconditional 6-Month Comprehensive Warranty.
Free Diagnostic Evaluation
Comprehensive static, optical, and component health inspection with zero evaluation fee.
400V Dynamic Load Test
All repaired modules undergo closed-loop testing with genuine 1FT6/1FK7 servo motors.
6-Month Full Warranty
All replaced electronic components and workmanship are fully warranted for 1 year.
24-48h Emergency Rush
Rapid turnaround service for critical factory line-down situations to minimize downtime.
Laboratory Diagnostic & Repair Procedures:
- Component-Level Troubleshooting: Detailed oscilloscope analysis of IGBT power modules, optocouplers, and gate driver pulse circuits.
- Capacitor Bank Rejuvenation: Replacement of aged electrolytic DC bus capacitors and power resistors with high-grade industrial parts.
- Ultrasonic Cleaning & Conformal Coating: PCB decontamination to eliminate conductive carbon dust, finished with anti-corrosive protective coating.
- Closed-Loop Parameter Calibration: Validation with Siemens CU320 control units under varying frequency and dynamic torque curves.
Request a Fast Repair Quotation
Send us your drive model and fault description for a same-day transparent repair quote.
