HMI, Display & Monitor Repair

HMI, Display & Monitor Repair

HMIs are the operator's window into your machine. A dead screen or unresponsive touch panel halts production just as effectively as a failed PLC. We repair industrial HMIs, touch panels and monitor units — replacing LCD assemblies, touch glass, backlights, and power sections — and restoring full functionality.

What We Repair

HMI Touch Panels

  • ▶Siemens KTP, TP, Comfort and Mobile panels
  • ▶Allen Bradley PanelView and PanelView Plus
  • ▶Schneider Magelis HMI series
  • ▶Mitsubishi GOT series
  • ▶Pro-face, Weintek, Delta HMIs

Industrial Monitors

  • ▶CNC machine display units
  • ▶Industrial LCD and TFT monitors
  • ▶Operator panel displays
  • ▶Open-frame and panel-mount monitors

Common Replacements

  • ▶Touch glass and digitizer replacement
  • ▶LCD panel and CCFL/LED backlight replacement
  • ▶Inverter board repair
  • ▶Power supply and control board repair

Common Symptoms

!Screen dark or showing only backlight
!Touch not responding or registering wrong locations
!Display flickering, lines, or color distortion
!HMI boots and crashes or stays at logo
!No communication with PLC
!Cracked touch glass or damaged enclosure

Brands We Service

SiemensAllen BradleySchneider ElectricMitsubishiPro-faceWeintekDeltaBeijerOmronKeyence

Our Repair Process

1

Symptom Diagnosis

We power up the HMI and characterize the failure — display, touch, communication, or power section.

2

Sub-Assembly Test

LCD, touch, inverter, power and main boards are tested individually to isolate the faulty section.

3

Component Replacement

Genuine or industrial-grade compatible touch glass, LCD panels and backlights are sourced and fitted.

4

Functional Test

Touch calibration, communication with a test PLC, and runtime test for several hours.

5

Warranty Return

Up to 3–6 months warranty depending on the parts replaced.

Need HMI Repair?

Send photos and model number for a free quote within 24-48 hours.

Frequently Asked Questions

Can you replace cracked touch glass?+

Yes — touch glass replacement is one of our most common HMI repairs. We source compatible glass for most popular models.

What if the LCD panel is no longer manufactured?+

We maintain stock and supplier contacts for many obsolete LCD panels, and can offer compatible drop-in replacements in most cases.

Do you reload firmware or software?+

We can restore the panel's runtime and firmware. Your application program needs to be loaded by you or your automation engineer.