Cracked & Damaged Screens
Glass, bezel, and display-assembly replacement to restore a clear, readable panel.
Repair ServicesHMI Repair Services
The HMI is how your operators see and control the line. We restore failed displays, dead touchscreens, and lost communication so the panel works the way it should.
2-Year Warranty
Fast Turnaround
Expert Technicians
No Fix, No Charge
23+
Years of experience
2-Year
Repair warranty
50,000+
Repair prices online
100+
In-house test systems
Overview
What an HMI Does and Why It Matters
A human-machine interface (HMI) is the operator's window into a machine or process. It turns raw data from PLCs and sensors into readable screens, and it lets your team start and stop equipment, change setpoints, and respond to alarms in real time. Panels range from small touchscreens to large multi-screen control stations.
Because the HMI sits between people and the process, a failed panel usually means the line stops. A fast, reliable repair restores visibility and control, helps prevent operator error, and gets production moving again without the cost and lead time of a brand-new panel.
What We Fix
Common HMI Issues We Repair
We address the full range of HMI faults, from the display and touch layer to power, memory, and communication.
Touchscreen Faults
Repair of unresponsive areas, drift, and dead zones on resistive and capacitive touch layers.
Backlight & Dim Display
Backlight and inverter or driver-board repair for dim, flickering, or dark screens.
Communication Failures
Recovery of Ethernet, Profibus, Modbus, and serial links that drop or will not connect.
Power Faults
Diagnosis of panels that will not power up or cut out intermittently.
Memory & Firmware Issues
Correction of corrupted firmware, lost settings, boot loops, and faulty membrane keypads.
Coverage
Brands & Platforms We Service
We repair hmi from the leading automation manufacturers, including current and obsolete platforms. If your unit is not listed, it may still be repairable.
- Allen-Bradley PanelView
- Siemens Simatic HMI
- GE QuickPanel
- Mitsubishi
- Omron
- Pro-face
- Schneider Magelis
- Red Lion
- Lauer
- B&R Control Panels
- Advantech
Panel not listed? Obsolete and rebadged units come across our bench every week. Send us the part number at customerservice@classicautomation.com, or a photo of the label if the number is gone, and we will tell you whether it is repairable.
Good to Know
Key Functions of an HMI
Understanding what the panel does on your line helps explain why a fast repair matters.
Data Visualization
Presents live values from PLCs and sensors as clear graphics, trends, and readouts.
Monitoring & Diagnostics
Tracks equipment and process health and surfaces faults for faster troubleshooting.
Alarm Handling
Flags abnormal conditions and safety events so operators can react quickly.
Control & Operation
Lets operators run machinery, adjust parameters, and acknowledge alarms.
Recipe Management
Stores and recalls parameter sets for different products or batches.
Repair Quality You Can Count On
Tested Against Real Operating Conditions
Every hmi repair is verified on system-specific test fixtures built to reflect real production use, using advanced diagnostics such as Huntron trackers, oscilloscopes, thermal imaging, and X-ray inspection.
Parts ship back only after meeting our quality standards, and every repair is backed by our full 2-year warranty.
How It Works
Our Repair Process
From your first request to a tested part back on your floor, we keep you informed at every step.
Submit your request
Send your part details or search your part number to get a repair quote.
Authorization & RA
We confirm the order and provide a Repair Authorization number plus shipping instructions.
Ship your part
Send it in using the RA instructions. International repair orders ship to us prepaid and free.
Diagnose & repair
Component-level diagnostics and repair, verified on system-specific test fixtures.
Back in service
Your tested part ships back ready to run, backed by our full 2-year warranty.
Get Started
Send Us the Panel. We'll Take It From There.
Tell us what the screen is doing, or not doing, and we'll evaluate it free. If we can't fix it, you don't pay.
customerservice@classicautomation.com
+1 585-241-6010
Not on our site?
Plenty of what we repair never made it onto a product page. Obsolete, oddball, no part number left on the label: ask us anyway. Chances are we've seen it before.