Not Known Repair Services India
Not Known manufactures high-quality industrial electronic equipment used in automation, drives, and control systems worldwide. Their products are installed in manufacturing plants, utilities, and process industries across India and globally.
Not Known manufactures high-quality industrial electronic equipment used in automation, drives, and control systems worldwide. Their products are installed in manufacturing plants, utilities, and process industries across India and globally.
Synchronics Electronics Private Limited has been repairing Not Known equipment since 1992. With 36 Not Known products in our repair catalog, we offer board-level diagnosis, component replacement, and full functional testing.
36 Not Known products in our repair catalog. Trusted repair service backed by 30+ years of industrial electronics expertise.
Not Known Equipment We Repair — By Category
Why Choose Synchronics for Not Known Repairs?
PCB-Level Expertise
We repair down to the component level — not just swap boards. Our engineers identify root causes, replace failed IGBTs, capacitors, processors, and gate drivers on Not Known equipment.
Fast Turnaround
Standard 7–10 working days. Express 3–5 days available for critical breakdowns. Emergency same-day/next-day service for unplanned downtime.
6-Month Warranty
Every repaired unit ships with a 6-month comprehensive warranty on parts and labour. Our repair success rate is over 94% across all brands.
All-India Service
Couriered repairs accepted from any city in India. Doorstep pickup available in Vadodara, Mumbai, Pune, Ahmedabad, Surat, Chennai, and more.
Common Not Known Equipment Faults We Fix
Based on 30+ years of repair data, these are the most frequent failure modes we see in Not Known equipment arriving at our workshop.
- ✓Power supply section failure (capacitor aging, IGBT failure)
- ✓Control board component failure — processor or memory fault
- ✓Communication interface failure (RS485, Profibus, Ethernet)
- ✓Overtemperature / cooling fan failure
- ✓Display or interface panel damage
- ✓Firmware or parameter corruption after power surge
How We Repair Your Not Known Unit
Receive & Log
Your unit is logged into our tracking system with a unique job number. You receive WhatsApp / email updates at every stage.
Fault Diagnosis
Board-level diagnosis using oscilloscopes, LCR meters, and thermal cameras. Root cause identified before any repair begins.
Component Repair
Faulty ICs, capacitors, MOSFETs, IGBTs, and gate drivers replaced with genuine or equivalent-spec components.
Full-Load Test
Unit tested under rated load with original or equivalent motor. All parameters verified. 6-month warranty issued.
Industries Using Not Known Equipment
We serve plant maintenance teams across all major industries where Not Known automation is deployed.
Frequently Asked Questions — Not Known Repairs
Do you repair all models of Not Known drives and PLCs?+
Yes. We repair current production models as well as legacy/discontinued Not Known equipment. Our repair catalog includes 36 Not Known products across drives, PLCs, HMIs, power supplies, and servo systems. If your specific model is not listed, contact us — we repair most models through board-level diagnosis.
How do I send my Not Known unit for repair?+
Pack the unit securely and courier it to our Vadodara workshop. Include a note with the fault description and your contact details. We will log it into our system and WhatsApp you a job number within 24 hours of receipt. Doorstep pickup is available in Vadodara, Ahmedabad, Surat, Mumbai, and Pune.
What is the cost of repairing a Not Known drive or PLC?+
Repair cost depends on the model and the fault. We offer a free diagnosis — once we identify the fault, we provide a fixed quotation before proceeding. Typical repairs cost 20–40% of the new unit price. We will never repair without your approval.
What warranty do you provide on Not Known repairs?+
All repaired units carry a 6-month comprehensive warranty covering the same fault and related issues. If the fault recurs within the warranty period, we repair it free of cost.
Do you provide a no-fix, no-fee guarantee?+
Yes. If we cannot repair your Not Known unit after diagnosis, you pay only the diagnosis fee (₹500–₹1,500 depending on the product). The unit is returned to you at no additional charge.
Not Known Repair Catalog
Showing 1–24 of 36 Not Known products




Other Brands We Repair in the Same Categories
Get Your Equipment
Back in Action — Fast
Send us your faulty industrial electronics. Our engineers will diagnose it and provide a detailed quote within 24 hours — with no obligation to proceed.
Free Evaluation
No obligation
48hr Turnaround
Fastest in India
6-Month Warranty
Every repair
No Fix, No Charge
Zero risk policy
Pan-India Pickup
Doorstep service



















