
Elevator Control Cards
Main control, operation, safety, relay, logic and communication boards.
Elevator electronics · Industrial control repair
Component-level diagnosis and repair for elevator control cards, VFDs, inverters, power supplies, sensors, displays and door-control electronics.
A separate COMNET service division
This is a separate division from COMNET MARINE. Our marine services remain dedicated to vessels, while this technical-lab division focuses specifically on elevator systems and industrial electronic equipment.
Based in Karachi, Pakistan, the division provides workshop repair, component-level diagnosis, courier intake and on-site troubleshooting. If you have equipment for repair or a technical inquiry, please contact our elevator and industrial electronics team for assistance.
Contact the repair team →A separate division from COMNET MARINE, focused on elevator and industrial electronics repair.
What we repair
Send the equipment model, clear photos and the reported fault through WhatsApp for an initial technical review.

Main control, operation, safety, relay, logic and communication boards.

Drive electronics, IGBT power sections, operation boards and inverter faults.

SMPS, UPS, DC supplies, power electronics and related control modules.

Sensing cards, safety-edge systems, encoders and elevator safety sensors.

Door drives, gate-control boards, ARD systems and smart shifter electronics.

LOP and COP panels, calling cards, button panels, LCD and dot-matrix displays.

ELD motors, gear-motor encoders and motor-control electronic assemblies.

PLC, SCADA, automation boards, industrial controllers and machine PCBs.

Vehicle ECU circuit boards, body-control modules, power electronics and related automotive electronic units.

Repair before replacement
We inspect the circuit, isolate the fault and repair at component level where technically feasible. Repaired equipment is bench-tested before return, with applicable repair warranty based on the completed scope.
Repair process

Send photos, model details and the reported fault through WhatsApp.

Arrange workshop drop-off in Karachi or courier delivery.

The circuit is inspected and the proposed work is reviewed before repair.

The repaired unit is bench-tested and returned with applicable warranty.
Start a repair inquiry
For a faster assessment, include the equipment type, maker, model, fault symptoms and clear photos of the complete unit and PCB.