HMI Touchscreen Breakdown Repairs & Electrical Fault Finding

Unresponsive touchscreens, lost communication links to the PLC, and corrupted runtime displays leave plant operators completely blind to machine operation. Lectro Power Systems provides prompt HMI diagnostics, screen replacements, and project re-flashing across Perth and regional Western Australia.
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0428 228 552
Symptoms We Resolve

Common HMI Touchscreen Faults We Diagnose & Fix

  • Touch Digitizer Dead Zones

    Resolving unresponsive screen sections, touch calibration drift, and cracked glass overlays.

  • PLC Communication Drops

    Repairing damaged Ethernet/IP, Profinet, Modbus TCP, and RS485 serial communication cables and network cards.

  • 24VDC Power Supply Instability

    Diagnosing fluctuating control power, blown internal display fuses, and failing DC-to-DC converter boards.

  • Corrupted Runtime Project Files

    Re-flashing application logic, updating firmware, and reloading backed-up screen project files.

  • Backlight & Display Inverter Failures

    Replacing dim, flickering, or completely blacked-out industrial LCD panels.

  • Physical Enclosure Sealing Breaches

    Rectifying moisture ingress, dust buildup, and corrosive chemical damage behind panel fascias.
Emergency Breakdown? Call 0428 228 552
The Lectro Advantage

Why Choose Lectro for HMI Touchscreen Repairs

  • Direct screen replacement & cloning

    Sourcing, programming, and flashing replacement industrial displays from major automation brands.

  • Industrial network troubleshooting

    Advanced diagnostics to isolate dropped packets, faulty network switches, and mismatched IP subnets.

  • Complete backup management

    Supplying customers with secure, up-to-date copies of screen runtimes and project source code.
Capability Statement
FAQs

Frequently Asked Questions

What causes an HMI to display a "PLC Communication Error" message?
Can you replace an obsolete, discontinued HMI screen without redesigning the whole machine?
Why is our HMI touchscreen registering touches in the wrong place?
Do you keep backups of the HMI screen project after completing a replacement?