Servo motor repair
Most requested. Encoder alignment and a load test on our servo test platform, with a printed report.
ViewSince 2000 · 3,000+ customers
Star Automations · Since 2000
25+ years of component-level repair, obsolete spares and uptime support for HUL, ITC, Foxconn, Apollo Tyres, BHEL and Indian Railways, now opening to partners who want to grow with us.
Send the nameplate. We confirm repairability before you courier. Or call +91 97866 22233 · info@starautomations.com

Star Automations repairs and refurbishes servo motors from Siemens, Fanuc, Yaskawa, Mitsubishi, Allen-Bradley, ABB, B&R and other industrial brands. Each motor is opened, the failed parts are repaired, the encoder is realigned where needed, and the motor runs with no load and then under full load on our servo motor test system at the Chennai bench before dispatch. Servo drives, VFDs, PLCs, HMIs and boards are repaired too, since 2000.
Servo motor repair is our most requested job. The same benches also handle the electronics around the motor.
Most requested. Encoder alignment and a load test on our servo test platform, with a printed report.
ViewComponent-level repair and return for drives, controllers and boards.
ViewSpares on the shelf. Send the part number for a quote by WhatsApp.
ViewMotors, controllers, chargers and DC-DC converters.
ViewPanels and harnesses built to your drawings.
ViewWorkshops and service engineers in Indian cities: work with us, white-label or under our name.
ViewThe problem. Your machines are past warranty, the failed motor still carries your name, and the part is no longer made.
What we do. Post-warranty repair-return of your servo motors and drives, and the hard-to-find part found as an obsolete spare.
What we do not do. Your warranty, your design and your new units. Those stay with you.
Send the nameplate. We confirm repairability before you courier.
The problem. A machine you installed is down and the servo, drive, encoder or board in it is no longer listed.
What we do. Repair-return of the failed servo motor, drive, encoder or board from installed machines, and obsolete spares for them.
What we do not do. Re-engineering your machine or changing its control design.
Send the nameplate. We confirm repairability before you courier.
The problem. The plant is down, the part is no longer made, and the quote for a new one is still in the mail.
What we do. Repair-return of the same unit, sent back with its serial number and a short test note, plus obsolete spares where a unit cannot be saved.
What we do not do. Swapping your unit for an unknown one, or quoting a price before we have seen the fault.
Send the nameplate. We confirm repairability before you courier.



Four relationships, each stated as it stands.
OEM warranty and service
About ten years as all-India warranty and service partner for RealLand servo motors (China).
OEM warranty and post-warranty
All-India warranty and post-warranty servo repair support for Shibaura Machine (formerly Toshiba Machine).
International repair-return
About a decade as global repair/refurbish partner for HP Indigo: units imported via Flextronics, refurbished to Flex quality guidance and re-exported.
Automotive plant vendor
Vendor to Hyundai Motor India, Chennai (Sriperumbudur) plant.
The system is in-house. It runs servo motors from many brands on one rig, without each brand's own drive, and reads the motor's feedback device directly. Each motor gets a final run test and a load test, and goes back with a printed test report.

Brand names describe the equipment we repair. We are not a dealer or service partner of these manufacturers.
Common failures, what the bench checks, repair or replace.
FanucCommon failures, what the bench checks, repair or replace.
YaskawaCommon failures, what the bench checks, repair or replace.
SiemensCommon failures, what the bench checks, repair or replace.
MitsubishiCommon failures, what the bench checks, repair or replace.
Allen-BradleyCommon failures, what the bench checks, repair or replace.
ABBCommon failures, what the bench checks, repair or replace.
B&RServo motors are proved on the test system at our Chennai bench. Send from anywhere in India: how to send a motor.
The servo motor repair bench and test system.
ChennaiHeadquarters; servo work and collection.
PuducherryServo, EC, BLDC, EV and drone motors. Mysuru served.
BengaluruSupport and pickup; tested in Chennai.
HyderabadSupport and pickup; tested in Chennai.
Delhi NCRAlso serving: Mumbai, Pune, Ahmedabad, Coimbatore, Hosur, Kolkata, Ludhiana, Gurugram, Noida, Chhatrapati Sambhajinagar, Nashik, Vadodara, Rajkot, Indore, Jaipur, Kochi, Visakhapatnam, Nagpur, Faridabad, Surat. Run a workshop in one of these cities? Become a service partner.
Servo motors and drives, VFDs, PLCs, HMIs, CNC and power boards. Faults are traced to the component, repaired and tested before return.
Repair-returnMotor controllers, chargers, DC-DC converters and power boards, repaired to the OEM's test methods, acceptance criteria and reporting.
EV electronicsSourcing of obsolete and hard-to-find parts, so older revisions stay in service. Quote only.
Obsolete sparesSend a list of surplus or dead stock. We review it, make an offer, and arrange pickup and payment.
Surplus buybackNew sealed surplus drives, PLC modules, servo parts and electronic components, in bulk lots, held in India and the US. Send your part list and we reply with availability and lot terms.
Request the stock listControl panels built to your platform, for India and export. Cable harnesses manufactured at our Bengaluru facility.
ManufacturingUnits imported for repair, refurbished and tested in India, and re-exported with documents.
International repair-returnPower stage, control board, auxiliary supply and RCMU repair for string and central solar inverters from Sungrow, Huawei, SMA, ABB, Delta and other makes. We find the failed part, repair it, test the unit and return it with a report. Not an OEM service centre.
Component-level repair of the power stage, control board and auxiliaries, with a report for every unit.
Hands-on fault-finding on real faulty units, on site, at our factory or as a hybrid.
Isolate first, match the symptom to the likely section, and record what you need before you send a unit.
Every unit follows the same seven steps. For OEM programmes, Star works to your test methods, acceptance criteria and reporting.
WhatsApp a photo of the nameplate, or send an RFQ with the model and symptoms.
Photos taken and the serial number logged on arrival.
The fault is traced on the board: power stage, gate drive, control, feedback.
You approve the work knowing what failed and why.
Failed components replaced. Motors refurbished (windings, bearings, encoder, brake, sealing as required).
Servo motors on the universal servo test system. Drives and boards on test rigs and custom jigs.
Returned with a test report and serial traceability.
Plants
Automotive, FMCG, tyre, pharma, process, power and cement plants. Repair-return, exchange units and spares when a line is down.
Industries we serveOEMs
Warranty and post-warranty repair to your test methods, acceptance criteria and reporting. Start with a bench trial on 2–3 failed units.
OEM partner programmeEV
Controllers, chargers, DC-DC converters and power boards, returned through your dealer network with a test report per unit.
EV electronicsIntegrators
Control panels to your platform, cable harness from Bengaluru, legacy spares and migrations.
For integratorsInternational
Import for repair and re-export, the same route used with HP Indigo via Flextronics.
International repair-returnProcurement
Company profile, ISO 9001:2015 certificate and site addresses. Registration documents on request.
Company factsHQ and refurbishment factory. Diagnosis, component-level repair and testing, including servo motor repair.
Servo motor repair bench in Poonamallee, west Chennai, with the universal servo test system and load rig.
Motor repair (servo, EC, BLDC, EV and drone) and cable harness manufacturing.
Also in Hyderabad and Delhi.
All five addresses
Since 2000, we have repaired industrial and motion electronics at the component level. We trace the fault on the board, repair it, test it and send it back with a report.
More than 3,000 customers have sent us that work, and OEMs send us their warranty returns. If you have a unit you are unsure about, send me the nameplate and I will tell you what we can do.
If you are looking to back a real engineering business, or build one with us in your region, I would be glad to talk. Partner with Star.
Suresh SankaranFounder and CEO, Star Automations · LinkedIn
Star repairs multi-brand servo drives and servo motors at the component level. Servo motors we test include Allen-Bradley, Fanuc, Mitsubishi, Siemens, Yaskawa, Bosch Rexroth and Indramat, Panasonic and Sanyo Denki. The full list is on the motors page. If your model is not listed, send a photo of the nameplate on WhatsApp and we will confirm before you ship anything.
We test it on our in-house universal servo test system, which runs servo motors from many brands on one rig without each brand's own drive. It reads incremental, absolute and serial encoders, resolvers, Hall sensors and tachometers. Each refurbished motor gets a final run test on a universal servo drive and a load test on a custom-built rig, and goes back with a printed test report.
Repair-return means you send us the failed unit, and we repair, test and return the same unit to you. We log the serial number on arrival, trace the fault to the component, quote with findings, refurbish, test and dispatch with a test report. Warranty terms are stated on each quotation. Line-down jobs are prioritised.
Yes. Star works to your test methods, acceptance criteria and reporting. It is how we have worked for about ten years as all-India warranty and service partner for RealLand servo motors (China), and on all-India warranty and post-warranty servo repair support for Shibaura Machine (formerly Toshiba Machine). Most programmes start with a bench trial on 2–3 failed units.
Star Automations is headquartered in Puducherry, where our refurbishment factory of about 5,000 sq ft is. Our servo motor repair bench, with the universal servo test system, is in Chennai (about 3,000 sq ft, Poonamallee), and a facility of about 7,000 sq ft in Bengaluru for motor repair and cable harness manufacturing. We also have sites in Hyderabad and Delhi. Servo motors can be couriered to the Chennai bench from anywhere in India.
Send a photo of the nameplate and a short description of the fault on WhatsApp to +91 97866 22233, or send an RFQ. For spares, send the part number and quantity. For OEM and EV programmes, we suggest a bench trial on 2–3 failed units.
We reply with what we can do and what happens next. WhatsApp or call +91 97866 22233, or email info@starautomations.com.