CNC Control Card Repair Services in Chennai
Specialist repair solutions for CNC control cards, axis boards, and sub-boards to restore full CNC machine performance.
GRD Solutions provides expert CNC Control Card Repair Services in Chennai for industries that operate CNC machines and require reliable, cost-effective repair of individual controller sub-boards. CNC systems comprise multiple specialised control cards including axis control cards, servo interface cards, I/O expansion cards, spindle control boards, and communication cards. A fault in any one of these can cause specific machine functions to fail or stop the machine entirely.
Our engineers have extensive experience in diagnosing and repairing CNC control cards at the component level across all major CNC platforms including Fanuc, Siemens Sinumerik, Mitsubishi, Mazatrol, HAAS, and Heidenhain. Component-level repair of these cards is far more economical than purchasing OEM replacements, which are often expensive or unavailable for older systems.
What We Repair
We Handle
Turnaround Time
Emergency Repairs
Completed within 24–48 hours to minimize downtime.
Standard Repairs
Delivered in 3–5 working days with full testing.
Signs Your CNC control card Needs Repair
- Single axis not moving or responding
- Servo alarm on a specific axis
- I/O signals not working (certain inputs or outputs dead)
- Spindle speed control not functioning
- Communication with external systems lost
- Specific machine function not working while others are fine
- Alarm codes pointing to a specific card or board
- Axis running erratically or at incorrect speed
For CNC Control Card Repair
GRD Solutions specialises in CNC Control Card Repair Services in Chennai with the technical depth to handle individual sub-board repairs within complex CNC controller systems. Our engineers understand the role of each card within the overall CNC architecture and can accurately isolate which board is at fault using systematic diagnostic methods. We repair at the component level using precision soldering, component replacement, and functional testing to restore each card to full working condition. This approach saves significant cost compared to purchasing new OEM cards, particularly for older Fanuc and Siemens systems.
Our Repair Process
Inspection & fault analysis
Root cause identification
Tell us what your car needs or ask for a diagnostic.
Repair & testing
Quality check
Delivery & support
FAQ Section
Yes. In most cases individual cards can be repaired at the component level, which is far more cost-effective than replacing the entire controller or even the individual card through OEM channels.
We use a combination of alarm code analysis, visual inspection, in-circuit testing, and signal tracing to identify which card or component is responsible for the fault. We do not rely on guesswork — we diagnose precisely.
Yes, we repair Fanuc axis cards (including DSP boards for 16i, 18i, 21i, 31i series), I/O modules, servo interface boards, and spindle control cards, as well as equivalent boards from Siemens, Mitsubishi, and others.
Most control card repairs are completed within 3–5 working days. Turnaround depends on fault complexity and component availability. Emergency repairs for production-critical situations can be prioritised.