INDUSTRIAL CONTROL
REPAIRS
Expert in-house and onsite repair services for VFDs, DC drives, PLCs, soft starters, and more. Fast turnaround, load-tested results, and proactive MTBF analysis to keep you running.
What We Repair
We repair all major brands and series across a wide range of industrial electronic equipment, delivering reliable fixes and proactive component replacement.
HOW OUR REPAIR SERVICES KEEP YOU ON TRACK
At Wistex, we evaluate your complete control system — identifying common failure points, sharing prevention strategies, and drawing on decades of field experience to help you avoid costly downtime.
Our repair services go beyond fixing what's broken. We analyze MTBF data to identify what's next in line to fail, replacing at-risk components proactively so you get the best return on your investment.
- All brands and series of VFDs, inverters, DC drives, and soft starters
- Every repaired unit cleaned, evaluated, and tested under full load
- Critical spare parts stocked for fast turnaround
- Best-in-class turnaround time, support, and pricing
Complete Diagnostics
We evaluate all functions of every unit — not just the reported issue — to uncover hidden problems before they cause downtime.
Proactive MTBF Analysis
Our technicians identify components approaching end-of-life and replace them during repair, extending the service life of your equipment.
Full Load Testing
Every repaired unit is tested under load conditions before return, giving you 100% certainty it's ready for production.
WHAT TO EXPECT
Whether you need us onsite or want to ship your unit in, we make the process straightforward and transparent.
Ship In-House Repairs To:
1730 Stout Drive, Suite 1
Warminster, PA 18974
WHY CUSTOMERS CHOOSE US
Over 50 years of expertise in industrial electronic repair, backed by unmatched service and support.
WE REPAIR ALL MAJOR BRANDS
Our technicians are experienced with equipment from every major industrial electronics manufacturer. Regardless of the make or model, we have the expertise and parts access to diagnose and repair your unit efficiently.
Stay in Communication
Keep in touch with our team for estimated timelines so you can plan production and downtime needs accordingly.
Explore Temporary Solutions
Depending on the component, temporary replacements or alternative workflows may keep operations moving while you wait.
Schedule Other Maintenance
If equipment is already offline, it's the perfect time to perform routine maintenance on adjacent systems and prevent future shutdowns.
Evaluate Your Contingency Plan
Review backup equipment, emergency protocols, and alternative workflows to strengthen your response plan for next time.
MAXIMIZE PRODUCTIVITY DURING REPAIRS
Waiting on an important component doesn't have to mean lost productivity. Our team recommends using the downtime strategically to improve your overall operations.
Consider researching technological advancements that could improve efficiency over your current parts. It's possible that upgrading your electrical components could be a strong option for your business moving forward.
Browse UpgradesREPAIR SERVICES FAQ
Common questions about our industrial electronic repair services.
We repair VFDs (low and medium voltage), DC drives, PLCs, soft starters, uninterruptible power supplies, harmonic filters, Wye Delta and other motor controls, chart recorders, and temperature controllers across all major manufacturers.
Once we receive your product, the evaluation quote and available repair options are typically prepared within two to three business days. RMA generation and evaluation fee details are often provided same-day.
There is a flat-rate evaluation fee for in-house repairs. However, if you approve any of the repair options we present in the quote, the evaluation fee is completely waived.
Yes. We have staff available 24/7 to take your call, and we provide excellent responsiveness for emergency situations. Our critical parts inventory helps ensure urgent repairs aren't delayed.
Absolutely. All repaired components are tested under load before return, ensuring they're ready to operate at the capacity you need from day one.
Based in Warminster, PA (just outside Philadelphia), Wistex provides onsite field service and accepts shipped-in equipment from across the United States. We accept all delivery methods including walk-in drop-offs.