CNC Motherboard Repair Services in Chennai
Precision repair solutions for CNC motherboards and main control boards to restore full machine functionality.
GRD Solutions provides expert CNC Motherboard Repair Services in Chennai for manufacturers and machine shops that rely on CNC machining centres, lathes, milling machines, and grinding machines. The CNC motherboard — also called the main board or CPU board — is the central processing unit of the CNC controller. A failure in this board can render a machine completely non-functional, causing significant production loss.
Our engineers have deep expertise in CNC controller electronics and perform component-level repairs on CNC motherboards across all major systems including Fanuc, Siemens (Sinumerik), Mitsubishi, Mazak, Yamazaki, HAAS, and Heidenhain. We identify faults using professional diagnostic tools and repair or replace failed components including processors, memory chips, power regulation circuits, and communication interfaces.
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 motherboard Needs Repair
- CNC machine not powering on or booting
- Controller displaying system alarm or CPU fault
- Machine parameters or programs lost after power off
- Intermittent shutdowns or random resets
- Communication errors with servo drives or I/O units
- Controller screen showing garbled or no display
- Machine not responding to operator inputs
- Error messages referencing main board or CPU fault
For CNC Motherboard repair
GRD Solutions is a specialist in CNC Motherboard Repair Services in Chennai with the technical expertise to handle complex CNC controller electronics. Our engineers are familiar with the architecture of all major CNC systems and use professional diagnostic tools including logic analysers and in-circuit testers to identify faults precisely. We repair at the component level, which is far more cost-effective than purchasing a new motherboard — especially for discontinued or older Fanuc and Siemens controller boards that are no longer available through OEM channels.
Our Repair Process
Inspection and initial assessment
Detailed fault diagnosis
Component-level repair
Testing and quality checks
Safe delivery and support
FAQ Section
We always attempt to preserve or back up parameters before repair. If the parameter memory is corrupted, we work with the customer to restore parameters from their backup or assist with re-entering them.
Yes, we repair CNC motherboards from Fanuc (all series including 0, 6, 10, 11, 15, 16, 18, 21, 31i), Siemens Sinumerik (810, 820, 840C/D), Mitsubishi (M64, M70, M700), Mazak, and others.
Standard repairs are completed within 3–7 working days depending on the complexity of the fault and component availability. Emergency repairs can be prioritised for production-critical situations.