Key Details

We handle a wide range of FANUC A20B-1000-0990/03A units. Each one receives inspection, internal cleaning, and reconditioning before it ships.

Why Repair With NC Servo

Our technicians work on industrial components like the FANUC A20B-1000-0990/03A daily. That hands-on repetition builds the kind of experience that speeds up diagnosis and reduces rework.

Frequently Asked Questions

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

Yes. Our repairs include a 12-month warranty on parts and labor covering parts and labor.

In most cases, repair costs less than replacement, especially for legacy or OEM-specific models. We evaluate every unit and let you know what makes sense.

Yes. Photos of the nameplate and overall unit let us begin identification before it arrives, which speeds up the process.

We confirm next steps with you if a unit can’t be rebuilt. No work proceeds without your approval.

Repair Process

The FANUC A20B-1000-0990/03A is powered up on a controlled test bench where we monitor outputs, check voltage rails, and trace faults to the component level before replacing anything.

  • Trace and Signal Analysis: We analyze the circuit board for broken traces or weak signals that could cause intermittent faults.
  • Professional Rework: Failed components are carefully desoldered and replaced by our experienced technicians using modern rework stations.
  • Sourced Components: Replacement parts are sourced from our inventory or reliable suppliers for a quality repair.
  • Component-Level Diagnostics: We test individual resistors, capacitors, and ICs to pinpoint the exact source of the problem.

Hydraulic Testing Process

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 system integration analysis confirms spec-level operation.

Performance Data

Every FANUC A20B-1000-0990/03A we service is tested under real-world conditions. Our diagnostics verify performance against published specifications. Specification sheets and Performance data are available for purchase upon request.

Repair, Rebuild and Exchange Options

Beyond standard refurbishment, we offer specialized repairs for your FANUC A20B-1000-0990/03A unit. Our disassembly process includes component replacement and burn-in testing, using only replacement replacement components.

Lead Times and Support

As a dedicated source for FANUC A20B-1000-0990/03A services, NC Servo Technology targets quick resolution with typical lead times of 1 to 3 weeks. Benefit from our responsive technical support to keep your systems running smoothly.

Parts and Inventory

With over 17,000 electronics in stock, we can often provide faster turnaround by sourcing parts in-house rather than waiting on OEM lead times.

Maintenance Tips

  • Store spare FANUC A20B-1000-0990/03A boards in anti-static bags in a climate-controlled environment.
  • Log fault codes from the FANUC A20B-1000-0990/03A to help technicians diagnose issues faster during service calls.
  • Keep firmware updated according to manufacturer guidelines for optimal performance.

Need Your FANUC A20B-1000-0990/03A Back Online?

Request pricing, availability, and turnaround for your FANUC A20B-1000-0990/03A. NC Servo Technology provides independent repair with a 1-year warranty. Contact us to start your repair.

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NC Servo Technology is an independent third-party repair facility. We are not affiliated with, endorsed by, sponsored by, or authorized by FANUC or any original equipment manufacturer (OEM), nor do we claim to be a FANUC 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.