Same-day processing, overnight shipping! (Order by 5pm ET, M-F)
Accurate motor feedback is essential for proper servo drive operation. Problems with encoders, resolvers, or other feedback devices can lead to positioning errors, instability, and even complete system shutdowns. ROC Industrial provides expert repair services for servo drives experiencing motor feedback problems.
Common Causes of Motor Feedback Problems
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Encoder/Resolver Failure: The feedback device itself can fail due to wear, contamination, or electrical damage.
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Wiring/Connection Issues: Loose wires, damaged cables, or corroded connectors can disrupt the feedback signal.
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Signal Interference: Electrical noise can interfere with the feedback signal, especially with analog resolvers.
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Mechanical Problems: Misalignment or damage to the encoder/resolver mounting.
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Parameter Errors: Incorrect encoder/resolver parameters in the servo drive configuration.
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Drive Component Failure: A faulty component within the servo drive itself can prevent it from processing the feedback signal correctly.
Servo Drive Brands We Repair (Feedback Problems)
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Allen-Bradley (Rockwell Automation): Kinetix series (Kinetix 5500, Kinetix 5700, Kinetix 6000, Kinetix 6500, Kinetix 300, Kinetix 350), Ultra 3000, and older Allen-Bradley servo drives.
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Fanuc: Fanuc Alpha i Series, Fanuc Beta i Series, and older Fanuc servo amplifiers.
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Siemens: SINAMICS series (S120, S210, V90), SIMODRIVE, and older Siemens servo drives.
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Yaskawa: Sigma series (Sigma-7, Sigma-5, Sigma-II), Junma, and older Yaskawa servo drives.
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Mitsubishi Electric: MR-J series (MR-J4, MR-J3, MR-J2S), MR-JE.
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Schneider Electric: Lexium series.
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ABB: ACS series (ACS880, ACS800, ACS580 drives with servo control capabilities), MicroFlex.
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Omron: Accurax G5, SmartStep.
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Parker: Compax3, Aries.
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Kollmorgen: AKD Series, S700 Series, S300 Series, S200 Series.
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Beckhoff: AX5000 series, AX8000.
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B&R Industrial Automation: ACOPOS series.
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Lenze: 9400 series, 9300 series, i700 series.
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Indramat (now Bosch Rexroth): EcoDrive, IndraDrive.
Our Servo Drive Motor Feedback Repair Process
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Free Evaluation & Quote: Describe the problem and your servo drive model.
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Shipping: Ship the drive to our facility.
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Diagnosis: We use oscilloscopes, encoder testers, and manufacturer-specific diagnostic tools to isolate the feedback problem.
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Repair/Replacement: We repair or replace faulty encoders, resolvers, wiring, connectors, or drive components.
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Testing: We thoroughly test the repaired drive with a compatible motor and controller to verify feedback accuracy.
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Fast Turnaround: Minimize downtime.
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Warranty: We offer a warranty on all repairs.
Why Choose ROC Industrial?
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Expert Technicians: Experience with power electronics.
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Advanced Diagnostics: Pinpoint the exact cause of the failure.
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Cost-Effective: Repair is often cheaper than replacement.
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Fast Turnaround: Minimize downtime.
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Warranty: Peace of mind.