Precision Repair for Allen-Bradley Servo Motors – Get Your Production Back on Track
When your automation system stops due to a servo motor fault, it doesn’t just delay production—it hits revenue, labor, and delivery schedules. That’s why manufacturers around the world trust Star Automations for fast, reliable, and professional Allen-Bradley servo motor repair.
From diagnosing complex encoder failures to complete motor rewinding and dynamic balancing, our in-house lab is equipped to handle it all.

We are experts in repairing the MPL, VPL, and MPM series servo motors by Allen-Bradley (Rockwell Automation). With over two decades of experience, we restore motors to OEM performance standards with quick turnaround and guaranteed results.
What Makes Our Repair Service Special?
- Dedicated Servo Testing Bench (Closed-loop simulation)
- Genuine-grade replacement parts: bearings, seals, encoder
- Rotor balancing as per ISO G1.0 Standard
- Expert rewinding with class H insulation
- Fast diagnostics with detailed failure report
- Pre-shipment demo testing video for verification
Real-World Problems We’ve Fixed in AB Servo Motors
- Inconsistent homing caused by encoder data loss
- High temperature trips due to rotor-core distortion
- Axis vibration due to shaft bend or bearing degradation
- Oil, dust, or coolant contamination inside windings
- Random shut-offs due to insulation failure
- Sudden torque drop due to magnet fatigue or stator fault
Our proactive repair and upgrade services reduce future downtime and extend motor lifespan.
Allen-Bradley Servo Motor Models We Repair
MPL Series:
- MPL-A210P-MJ72AA
- MPL-A310F-MJ74AA
- MPL-A220K-MJ72AA
- MPL-B210P-MK72AA
- MPL-B220K-MK72AA
- MPL-A420F-MJ74AA
- MPL-B420K-MK72AA
- MPL-B430H-MK74AA
- MPL-A4530H-MJ74AA
- MPL-B4530H-MK74AA
MPM Series:
- MPM-A1152E-MJ72AA
- MPM-A1453E-MJ72AA
- MPM-B1653E-MJ74AA
- MPM-A2152F-MJ72AA
- MPM-B2152F-MJ74AA
- MPM-B2533C-MJ74AA
- MPM-A2533F-MJ72AA
- MPM-B2533F-MJ74AA
- MPM-A1303C-MJ72AA
- MPM-B1303F-MJ74AA
- MPM-A1653C-MJ72AA
- MPM-B1652F-MJ74AA
VPL Series:
- VPL-A2094C-PJ14AA
- VPL-B2094C-PK14AA
- VPL-B2533F-PK14AA
- VPL-B3203F-PK14AA
- VPL-A2533F-PJ14AA
- VPL-B3204C-PK14AA
- VPL-B1304C-PJ14KA
- VPL-A3204E-PJ14AA
- VPL-A2534C-PJ14AA
- VPL-A2094F-PJ14AA
- VPL-B2094F-PK14AA
- VPL-A3204F-PJ14AA
- VPL-B2534C-PK14AA
We also support rare or discontinued variants. Send us the full model or a photo of your nameplate to confirm serviceability.
Testing & Quality Validation
Every repaired motor undergoes:
- Encoder or resolver signal testing
- Full-speed closed-loop testing
- Thermal & vibration checks under load
- Detailed test report and performance chart
- Before/after repair photos and videos
Replacement & Upgrade Service Available
If a motor is beyond economical repair, we also offer:
- Replacement of exact model (new/refurbished)
- Retrofit with compatible VPL/MPL models
- Encoder upgrade from incremental to absolute (where possible)
- Modification of shaft and flange on request
Fast Pickup & Delivery Worldwide
Star Automations offers door-to-door pickup and delivery service via trusted logistics partners like DHL, FedEx, UPS, and local couriers. We ensure your servo motor is safely transported and promptly returned—fully tested and certified.
Let’s Repair Your Motor the Right Way
Don’t replace it — repair it with confidence. Our team is ready to support your maintenance schedules, urgent shutdowns, and annual service plans.
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