Inspection and Repair Process

We specialize in the overhaul of your CONTRAVES A1520 NC400, including the replacement of all necessary integrated circuits and worn components.

Why Repair With NC Servo

Our technicians work on industrial components like the CONTRAVES A1520 NC400 daily. That hands-on repetition builds the kind of experience that speeds up diagnosis and reduces rework.

Component-level diagnostics for CONTRAVES A1520 NC400 control modules

Frequently Asked Questions

You’ll hear from us either way. If it’s not repairable, we’ll return the unit and provide our findings.

Yes. Every unit goes through diagnostic testing and we provide an assessment before moving forward.

We give you a straight assessment after inspection. If repair doesn’t make sense, we’ll let you know and discuss alternatives.

Yes. Send us photos of the unit from multiple angles. Our team has serviced thousands of models and can often ID them visually.

We can often prioritize urgent jobs. Note it on your request form and we’ll let you know what’s possible.

Disassembly and Rebuild Procedure

Each CONTRAVES A1520 NC400 control unit is diagnosed using schematics and specialized test equipment to find the root cause of the failure before any repair work begins.

  • Static-Safe Environment: All work is performed in an ESD-safe environment to protect sensitive electronic components.
  • Sourced Components: Replacement parts are sourced from our inventory or reliable suppliers for a quality repair.
  • Professional Rework: Failed components are carefully desoldered and replaced by our experienced technicians using modern rework stations.
  • Component-Level Diagnostics: We test individual resistors, capacitors, and ICs to pinpoint the exact source of the problem.

Diagnostic Testing

After repair, the unit is connected to a dedicated test rig where we simulate real-world inputs and verify that outputs match published specifications. Our load analysis confirms spec-level operation.

Technical Specifications

Every CONTRAVES A1520 NC400 we service is tested under real-world conditions. Our diagnostics verify performance against published specifications. Technical diagrams and Performance data are available for purchase upon request.

Repair, Rebuild and Exchange Options

Beyond standard maintenance, we offer specialized reconditioning for your CONTRAVES A1520 NC400 unit. Our overhaul process includes board-level diagnostics and signal tracing, using only new replacement components.

Maintenance Tips

  • Regularly check all connections for corrosion or looseness that could affect performance.
  • Maintain a clean, dust-free operating environment to prevent contamination.
  • Store spare CONTRAVES A1520 NC400 boards in anti-static bags in a climate-controlled environment.

Ready to Restore Your CONTRAVES A1520 NC400?

Request pricing, availability, and turnaround for your CONTRAVES A1520 NC400. NC Servo provides warrantied repair with a 1-year warranty. Contact us to set up your repair.

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NC Servo is an independent third-party repair facility. We are not affiliated with, endorsed by, sponsored by, or authorized by CONTRAVES or any original equipment manufacturer (OEM), nor do we claim to be a CONTRAVES service center. All brand names, trademarks, model numbers, and part numbers referenced on this page are the property of their respective owners and are used solely for identification and compatibility purposes.