Industrial HMI Repair Singapore
Is your HMI (Human Machine Interface) displaying a blank screen, unresponsive touch panel, or corrupted display? Production downtime is costly — QC Engineering’s specialist HMI repair team restores your panel fast, with a No Fix, No Fee guarantee.
With over 15 years of experience repairing industrial HMIs from all major brands, we diagnose faults at component level, not just replace boards — saving you significantly compared to OEM replacements.
Common HMI Fault Symptoms
- Blank or black screen after power-on
- Touchscreen not responding or registering wrong coordinates
- HMI displays but shows distorted or corrupted graphics
- Unit powers on but project fails to load
- Intermittent communication errors with PLC
- Physical screen damage — cracks, water ingress
- Dim backlight or flickering display
- HMI reboots repeatedly or freezes
Service Levels
| Repair Type | Description |
|---|---|
|
Standard Service |
14-day turnaround — full diagnostic, repair and 3-month warranty. |
|
Express Service |
3-day turnaround — subject to parts availability and T&Cs. Contact us to confirm. |
|
No Fix, No Fee |
If we cannot repair your HMI, you will not be charged for inspection. |
|
On-Site Support |
Field engineers available for on-site diagnosis and panel swap. Contact us for scheduling. |
Warranty
All repaired HMI units carry a 3-month warranty covering the repair work performed. Our Service Exchange units carry a 12-month one-to-one exchange warranty.
Why Repair Instead of Replace?
OEM replacement costs for industrial HMIs often range from SGD 3,000–15,000+. Our repair service typically costs a fraction of that, with the same reliability backed by our warranty. For obsolete or discontinued models, repair may be the only viable option.
Brands We Repair
| Brands | ||
|---|---|---|
|
Siemens |
Omron |
Pro-face |
|
Schneider / Telemecanique |
Mitsubishi |
Weintek |
|
Advantech |
Beijer |
Delta |
|
Hitech |
Fuji Electric |
GE Fanuc |
HMI Repair Services
| Repair Type | Description |
|---|---|
 LCD Screen Repair |
Restore faded, cracked or blackened LCD displays. We repair at panel level where possible, avoiding costly full-screen replacements. |
 Touchscreen Repair |
Fix unresponsive, ghost-touching or cracked touch overlays. Resistive and capacitive touchscreen technology supported. |
 Backlight Replacement |
Replace failed CCFL or LED backlights — a common cause of dim or completely dark screens with functioning electronics. |
 Motherboard Repair |
Component-level diagnosis and repair of the HMI mainboard — failed ICs, capacitors, power regulators and communication chips. |
 Power Supply Repair |
Repair or replace failed internal power supply units causing the HMI to power off unexpectedly or fail to boot. |
 Keypad & Membrane Repair |
Restore non-responsive physical keypads and membrane buttons on older panel-mount HMIs. |
 Program / Data Migration |
Back up, restore or migrate HMI programs when upgrading to a new unit or recovering from a system crash. See our dedicated Data Migration page. |
 Communication Port Repair |
Repair RS-232, RS-485, Ethernet and PROFIBUS ports that are damaged or intermittently failing. |
 CPU / Flash Memory Repair |
Address HMI units that fail to boot, lose settings repeatedly, or show corrupt project files due to memory faults. |
 CRT Monitor Repair |
Specialist repair for legacy CRT-based HMI monitors still in use on older production lines. |
