Motherboard Repair • IO Board • Power Supply • Battery Charger • Relay Board • Display Board • Alarm PCB • Controller Service • Fire Pump Contriler System Service • PCB & VFD Design Repair • Embedded Solutions
AJ Electronics Lab is a professional electronics engineering and technical service company specializing in industrial electronics repair, fire pump controller servicing, embedded systems, troubleshooting, maintenance, installation, and commissioning solutions.
Our experienced engineers and technicians provide reliable diagnostic, repair, and maintenance services for industrial control systems, motherboards, power supplies, battery chargers, relay boards, communication boards, alarm PCBs, and fire protection equipment. We are committed to delivering high-quality technical support that improves system performance, reliability, and operational safety.
With extensive practical experience in electronics engineering and industrial automation, we help factories, commercial facilities, and industrial organizations maintain critical equipment and minimize downtime through professional troubleshooting and preventive maintenance services.
Years Experience
Projects Completed
Customer Support
Driven by innovation, technical excellence, and customer satisfaction, we are committed to delivering reliable electronics engineering and industrial technical solutions.
To provide professional electronics repair, controller servicing, industrial troubleshooting, automation support, and preventive maintenance services with the highest standards of quality, reliability, and technical excellence.
We strive to help factories, commercial facilities, and industrial organizations reduce downtime, improve operational efficiency, and maintain critical systems through innovative engineering solutions and expert technical support.
To become one of the most trusted and recognized electronics engineering laboratories and technical service providers in Bangladesh by delivering innovative, dependable, and industry-leading solutions.
We aim to build long-term partnerships with our clients through continuous improvement, advanced technology, professional expertise, and exceptional customer service.
Expert Electronics Repair, Fire Pump Controller Service, Troubleshooting, Installation & Maintenance Solutions
Professional diagnosis and repair of industrial control motherboards.
Testing, troubleshooting and repairing all types of IO boards.
Industrial power supply maintenance and component replacement.
Repair and calibration of battery charging systems.
Relay board testing, repair and replacement service.
LCD, HMI and display board troubleshooting solutions.
Fire alarm PCB board diagnosis and repair services.
Network and communication module troubleshooting.
Professional fire pump controller repair and servicing.
Complete overhaul and maintenance of diesel fire pump engines.
Rapid diagnosis and troubleshooting of fire pump systems.
Programming and configuration of advanced fire pump controllers.
Fire pump installation, testing and commissioning services.
Hydrostatic and operational pressure testing solutions.
Scheduled maintenance programs for maximum system reliability.
Our systematic process ensures accurate diagnosis, reliable repair, and high-quality delivery for all electronics and industrial systems.
We carefully inspect the faulty equipment and identify the root cause using advanced diagnostic tools and technical analysis.
Our engineers analyze the circuit, components, and system behavior to determine the exact failure point and required solution.
Faulty components are repaired or replaced with high-quality parts to restore full system functionality and performance.
After repair, we perform rigorous testing and calibration to ensure the system operates safely, accurately, and efficiently.
Every system goes through a final quality assurance check to ensure reliability and long-term performance.
We deliver the repaired system with full documentation and provide after-service technical support if required.
We value our clients’ feedback and continuously improve our services based on their trust and satisfaction.
AJ Electronics Lab provided excellent repair service for our fire pump controller. Their engineers are highly skilled and professional. Very satisfied with their work.
Fast response and accurate troubleshooting. They fixed our power supply system within a very short time. Highly recommended technical team.
Their service quality is outstanding. We received full support for PLC controller programming and installation. Very professional engineers.
Excellent preventive maintenance service. Our industrial system is now running smoothly without any downtime issues.
Senior Electronics Engineer
Embedded Systems Engineer
Industrial Automation Engineer
We provide professional electronics repair, industrial troubleshooting, controller servicing, automation support, installation, commissioning, and preventive maintenance services with a commitment to quality, reliability, and customer satisfaction.
Skilled engineers with extensive experience in industrial electronics, controller repair, troubleshooting, and automation systems.
Quick diagnosis and rapid technical support to minimize downtime and keep your operations running efficiently.
Modern testing equipment and diagnostic tools ensure accurate fault detection and reliable repair solutions.
Repair solutions for Motherboards, IO Boards, Power Supplies, Relay Boards, Controllers, and Industrial Equipment.
Experience working with factories, commercial buildings, industrial facilities, and fire protection systems.
Every repair and maintenance task undergoes thorough testing and quality checks before delivery.
Specialized expertise in fire pump controllers, diesel engine overhauling, troubleshooting, installation and commissioning.
Proactive maintenance programs designed to improve system reliability and reduce unexpected failures.
Need professional electronics repair or industrial technical support? Contact AJ Electronics Lab for fast and reliable service.
+880 9611-699 282
+880 1958 605 251
+880 1944 428 593
info@ajfses.com.bd
ajfses2019@hotmail.com
ajfiresolutions@hotmail.com
SRA Center (6th Floor), Pollibidyut Bus Stand, Ashulia, Dhaka, Bangladesh
