info@growthtechbd.com     09614503081
Repair

Repair

Repair

Our repair center is equipped to handle both "Level 1" (simple part replacement) and "Level 2/3" (complex component-level) repairs. We focus on extending the life of your critical security, IT, and power hardware.

Below is the categorized list of items we regularly repair and service for our clients:

1. Security & Surveillance Hardware

  • DVR/NVR Units: Repairing faulty motherboards, replacing internal fans, and fixing corrupted firmware.
  • CCTV Cameras: Lens cleaning/re-calibration, replacing damaged IR (Infrared) boards, and fixing power-input ports.
  • Storage Drives: Data recovery and "Bad Sector" repairs for high-capacity surveillance hard drives (WD Purple, Seagate SkyHawk).
  • PTZ Controllers: Repairing the mechanical "Pan-Tilt-Zoom" motors and joystick controllers.

2. Fire Safety & Life Safety Equipment

  • Fire Alarm Panels: Repairing the main control board (PCB) and fixing loop-short circuits for both conventional and addressable systems.
  • Detectors: Cleaning and recalibrating smoke/heat sensors that are giving "False Alarms."
  • Fire Extinguishers: Professional refilling and pressure testing for ABC, CO2, and Foam extinguishers.
  • Emergency Lights & Exit Signs: Replacing dead batteries and faulty LED drivers.

3. Power & Electrical Systems

  • Online/Offline UPS: Repairing the internal inverter/charger boards and replacing swollen or dead battery banks.
  • Voltage Stabilizers & AVRs: Fixing the servo-motors and relay circuits that manage voltage fluctuations.
  • PFI (Power Factor Improvement) Plants: Replacing blown capacitors and fixing automated controller units.
  • Solar Inverters: Repairing the "Charge Controller" boards and optimizing the battery-to-grid switching logic.

4. Access Control & Biometrics

  • Fingerprint/Face Readers: Replacing damaged optical sensors or facial recognition modules.
  • Electromagnetic Locks (EM Locks): Repairing weak magnets and replacing faulty Z-brackets or power supplies.
  • Tripod Turnstiles & Barrier Gates: Mechanical motor repair and control board replacement for parking or entrance gates.
  • Access Control Power Supplies: Fixing the 12V/24V power distribution boards that run your door locks.

5. IT & Networking Equipment

  • Managed/Unmanaged Switches: Repairing dead "PoE" (Power over Ethernet) ports and fixing internal power supplies.
  • Routers & Access Points: Re-flashing corrupted firmware and replacing damaged antennas.
  • PABX/IP-PBX Servers: Repairing the "Line Cards" (FXO/FXS) and fixing internal power-on issues.
  • Desktop & Laptop Components: Motherboard repair, RAM/SSD upgrades, and thermal paste replacement for overheating servers.
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