> Full content index: https://flexa-systems.com/pages/llms-full

# Flexa Systems

> Flexa Systems is an industrial electronics repair company based in Lewisville, TX (Dallas-Fort Worth / DFW metro, Texas). We specialize in component-level repair of variable frequency drives (VFDs), programmable logic controllers (PLCs), HMI touchscreen panels, servo drives, industrial PCs (IPC), power supplies, and PCBs. We service all major brands including Allen-Bradley, Siemens, ABB, Yaskawa, Fanuc, and Mitsubishi. Exclusive US supplier for Parker drives. All repairs include a 2-year warranty. Free diagnostics. Rush 24–72hr service available. Batch/bulk board repair accepted. Legacy and obsolete equipment welcome. Nationwide mail-in; local drop-off for Dallas, DFW customers.

## Repair Services

- [VFD Repair](https://flexa-systems.com/pages/vfd-repair): Component-level repair for variable frequency drives from all major brands. Covers power stage, control board, IGBT failures, capacitor replacement, and fault diagnostics. Dallas & DFW area specialists.
- [PLC Repair](https://flexa-systems.com/pages/plc-repair): Repair for Allen-Bradley, Siemens, Mitsubishi, Omron, and other programmable logic controllers. Includes processor, I/O modules, power supply, and communication card repair. Lewisville TX, serving all DFW.
- [HMI Repair](https://flexa-systems.com/pages/hmi-repair): Touchscreen panel and operator interface repair. Covers display replacement, touch digitizer, backlight, and communication failures.
- [Servo Drive Repair](https://flexa-systems.com/pages/servo-repair): Repair for servo drives and amplifiers from Fanuc, Yaskawa, Mitsubishi, Allen-Bradley Kinetix, and Siemens SINAMICS. Texas servo drive repair with 2-year warranty.
- [PCB & Control Board Repair](https://flexa-systems.com/pages/pcb-repair): Component-level PCB repair including legacy circuit boards, power supplies, and high-voltage drive boards. Batch repair accepted. Obsolete/discontinued boards welcome.
- [Industrial PC Repair](https://flexa-systems.com/blogs/news/siemens-ipc-427e-827e-repair): IPC repair including OS reinstallation, image restore, HDD/SSD replacement. Siemens SIMATIC IPC, Beckhoff, B&R and more.
- [CNC Electronics Repair](https://flexa-systems.com/pages/cnc-repair): CNC control board, spindle drive, and axis controller repair. One-stop shop for multiple CNC boards. Fanuc, Siemens, Mitsubishi.
- [Rush Repair Service](https://flexa-systems.com/pages/rush-service): Emergency 24–72 hour expedited repair service for critical production equipment. Dallas-area customers can drop off in person.

## Products

- [All Products](https://flexa-systems.com/collections/all-products): Refurbished and repaired industrial automation equipment available for purchase.
- [VFDs – Variable Frequency Drives](https://flexa-systems.com/collections/vfd): Tested and warranted variable frequency drives from Allen-Bradley, ABB, Siemens, Yaskawa, and more.
- [PLCs – Controllers](https://flexa-systems.com/collections/plc): Refurbished programmable logic controllers and control modules.
- [HMIs – Touch Screens](https://flexa-systems.com/collections/hmi): Repaired and tested HMI panels and operator interfaces.
- [Servo Drives](https://flexa-systems.com/collections/servo-drives): Refurbished servo drives and amplifiers.
- [Allen-Bradley](https://flexa-systems.com/collections/allen-bradley): Full inventory of Allen-Bradley industrial equipment.
- [ABB](https://flexa-systems.com/collections/abb): ABB industrial drives and control equipment.

## Customer Tools

- [Get a Repair Quote](https://flexa-systems.com/pages/get-quote): Free online quote request for repair services. Provide model number and fault description.
- [Warranty Information](https://flexa-systems.com/pages/warranty): Details of the Flexa Systems 2-year repair warranty, what it covers, and how to claim.
- [Trade-In Program](https://flexa-systems.com/pages/trade-in): Trade in old or non-repairable industrial equipment toward a refurbished unit.
- [Contact](https://flexa-systems.com/pages/contact): Contact form, phone number, and address. Phone: (254) 254-0005. Location: Lewisville, TX.

## VFD Fault-Code Guides (Brand-Specific)

- [Allen-Bradley PowerFlex 40 Fault Codes](https://flexa-systems.com/blogs/news/powerflex-40-fault-codes-complete-guide): Complete fault-code reference for PowerFlex 40 and 40P drives, with diagnostic steps and field-repair guidance.
- [Allen-Bradley PowerFlex 70 Fault Codes](https://flexa-systems.com/blogs/news/powerflex-70-fault-codes-complete-guide): F-codes, alarms, and diagnostic walk-throughs for PowerFlex 70 and 700 architecture-class drives.
- [Allen-Bradley PowerFlex 525 Fault Codes](https://flexa-systems.com/blogs/news/powerflex-525-fault-codes-complete-guide): Fault-code reference for PowerFlex 525 with parameter-tier diagnosis.
- [Allen-Bradley PowerFlex 700 Fault Codes](https://flexa-systems.com/blogs/news/powerflex-700-fault-codes-complete-guide): F-codes for PowerFlex 700, 700H, 700S — IGBT, ground-fault, and DC-bus diagnostics.
- [Allen-Bradley PowerFlex 755 Fault Codes](https://flexa-systems.com/blogs/news/powerflex-755-fault-codes-complete-guide): Complete fault-code reference for PowerFlex 755 / 755T including communication and option-card faults.
- [ABB ACS Drive Fault Codes](https://flexa-systems.com/blogs/news/abb-acs-fault-codes-guide): Fault-code guide for ABB ACS150, ACS355, ACS550, ACS580 — overcurrent, overvoltage, ground-fault sequences.
- [ABB ACS880 Fault Codes](https://flexa-systems.com/blogs/news/abb-acs880-fault-codes-complete-guide): Complete F-code, A-code and warning reference for ABB ACS880 industrial drives.
- [Siemens G120 Fault Codes](https://flexa-systems.com/blogs/news/siemens-g120-fault-codes-complete-guide): F-code troubleshooting for Siemens SINAMICS G120, G120C, G120P, G120D drives.
- [Siemens SINAMICS Fault Codes](https://flexa-systems.com/blogs/news/siemens-sinamics-fault-codes-guide): Cross-platform SINAMICS fault-code reference covering V, G, S families.
- [Yaskawa A1000 Fault Codes](https://flexa-systems.com/blogs/news/yaskawa-a1000-fault-codes-complete-guide): Complete oF, oV, oC, GF reference for Yaskawa A1000 industrial drives.
- [Danfoss VLT Fault Codes](https://flexa-systems.com/blogs/news/danfoss-vlt-fault-codes-complete-guide): Alarm and warning codes for Danfoss VLT AutomationDrive, AQUA Drive, HVAC Drive families.
- [Lenze 8400 Fault Codes](https://flexa-systems.com/blogs/news/lenze-8400-fault-codes-complete-guide): Fault-code reference and diagnostic guidance for Lenze 8400 StateLine, HighLine, TopLine drives.
- [Parker AC Drive Fault Codes](https://flexa-systems.com/blogs/news/parker-ac-drive-fault-codes-complete-guide): Fault-code guide for Parker AC10, AC30, AC650, AC890 series drives.

## Brand-Specific Repair & Service Guides

- [Allen-Bradley PowerFlex VFD Repair](https://flexa-systems.com/blogs/news/allen-bradley-powerflex-vfd-repair): Common failures, fault codes, and repair guidance for PowerFlex 40/70/525/700/755 drives.
- [Allen-Bradley Kinetix 300 Servo Drive Repair](https://flexa-systems.com/blogs/news/allen-bradley-kinetix-300-servo-drive-repair): Fault codes and repair for discontinued Kinetix 300 servo drives.
- [ABB Variable Frequency Drive Repair](https://flexa-systems.com/blogs/news/abb-variable-frequency-drive-repair): Service overview for ABB ACS, ACH, ACQ industrial drive families.
- [Parker Hannifin Drives & Automation](https://flexa-systems.com/blogs/news/parker-hannifin-drives-automation): Parker AC and DC drive repair as exclusive US service provider.
- [Siemens SIMATIC IPC 427E & 827E Repair](https://flexa-systems.com/blogs/news/siemens-ipc-427e-827e-repair): Component-level repair and OS recovery for Siemens industrial PCs.

## Diagnostic & Decision Guides

- [VFD Error Codes: Complete Troubleshooting Guide](https://flexa-systems.com/blogs/news/vfd-error-codes-complete-troubleshooting-guide): Cross-brand VFD fault-code interpretation framework for production-line technicians.
- [How Much Does VFD Repair Cost in 2026?](https://flexa-systems.com/blogs/news/how-much-does-vfd-repair-cost-in-2026): Repair vs replacement cost analysis with HP-tier pricing tables and downtime ROI math.
- [VFD Preventive Maintenance Checklist](https://flexa-systems.com/blogs/news/vfd-preventive-maintenance-checklist): Maintenance practices that extend VFD lifespan; quarterly and annual task list.
- [5 Signs Your VFD Needs Repair Before It Fails Completely](https://flexa-systems.com/blogs/news/5-signs-your-vfd-needs-repair-before-it-fails-completely): Early warning signs of variable frequency drive failure.
- [7 Warning Signs Your PLC Needs Repair](https://flexa-systems.com/blogs/news/7-warning-signs-your-plc-needs-repair): Early indicators of PLC failure before complete breakdown.
- [HMI Troubleshooting: Common Interface Problems & Quick Fixes](https://flexa-systems.com/blogs/news/hmi-troubleshooting-common-interface-problems-quick-fixes): Diagnosing and resolving HMI operator panel malfunctions.
- [HMI Touchscreen Repair vs Replacement](https://flexa-systems.com/blogs/news/hmi-touchscreen-repair-vs-replacement): Decision guide for repairing or replacing damaged HMI displays.
- [Servo Drive Repair: Symptoms, Fault Codes, Fix vs Replace](https://flexa-systems.com/blogs/news/servo-drive-repair-symptoms-fault-codes-and-when-to-fix-vs-replace): Diagnostic decision tree for servo drive failures.
- [How to Choose an Industrial Electronics Repair Service](https://flexa-systems.com/blogs/news/how-to-choose-industrial-electronics-repair-service): 7 questions to ask before sending equipment for repair.

## Industry Resources

- [What Is HMI in Industry?](https://flexa-systems.com/blogs/news/what-is-hmi-in-industry): Reference primer on Human-Machine Interfaces in industrial automation.
- [Role of VFDs in Manufacturing](https://flexa-systems.com/blogs/news/role-of-vfds-in-manufacturing): Energy savings, process control, and motor protection use-cases for VFDs.
- [What Is Rush Repair Service?](https://flexa-systems.com/blogs/news/what-is-rush-repair-service): How 24–72 hour expedited industrial repair service works.
- [How Industrial Equipment Trade-In Programs Work](https://flexa-systems.com/blogs/news/how-industrial-equipment-trade-in-programs-work): Trade-in program mechanics for non-repairable industrial gear.
- [Counterfeit Industrial Parts & Supply Chain](https://flexa-systems.com/blogs/news/counterfeit-industrial-parts-supply-chain): How to spot counterfeit drives, PLCs, and PCBs in the gray market.
- [Real Cost of Industrial Downtime](https://flexa-systems.com/blogs/news/real-cost-of-industrial-downtime): Per-hour downtime cost methodology for plant maintenance teams.

## Optional

- [VFD Repair by State – California](https://flexa-systems.com/pages/california-vfd-repair) · [Florida](https://flexa-systems.com/pages/florida-vfd-repair) · [Illinois](https://flexa-systems.com/pages/illinois-vfd-repair) · [Michigan](https://flexa-systems.com/pages/michigan-vfd-repair) · [New York](https://flexa-systems.com/pages/new-york-vfd-repair) · [North Carolina](https://flexa-systems.com/pages/north-carolina-vfd-repair) · [Ohio](https://flexa-systems.com/pages/ohio-vfd-repair) · [Pennsylvania](https://flexa-systems.com/pages/pennsylvania-vfd-repair) · [Miami](https://flexa-systems.com/pages/miami-vfd-repair): Nationwide mail-in service; state-specific information for sending equipment from each region.
- [PLC Repair by State – California](https://flexa-systems.com/pages/california-plc-repair) · [Florida](https://flexa-systems.com/pages/florida-plc-repair) · [Illinois](https://flexa-systems.com/pages/illinois-plc-repair) · [Michigan](https://flexa-systems.com/pages/michigan-plc-repair) · [New York](https://flexa-systems.com/pages/new-york-plc-repair) · [North Carolina](https://flexa-systems.com/pages/north-carolina-plc-repair) · [Ohio](https://flexa-systems.com/pages/ohio-plc-repair) · [Pennsylvania](https://flexa-systems.com/pages/pennsylvania-plc-repair): State-specific PLC repair landing pages.
- [HMI Repair by State – California](https://flexa-systems.com/pages/california-hmi-repair) · [Florida](https://flexa-systems.com/pages/florida-hmi-repair) · [Illinois](https://flexa-systems.com/pages/illinois-hmi-repair) · [Michigan](https://flexa-systems.com/pages/michigan-hmi-repair) · [New York](https://flexa-systems.com/pages/new-york-hmi-repair) · [North Carolina](https://flexa-systems.com/pages/north-carolina-hmi-repair) · [Ohio](https://flexa-systems.com/pages/ohio-hmi-repair) · [Pennsylvania](https://flexa-systems.com/pages/pennsylvania-hmi-repair): State-specific HMI repair landing pages.
- [Brand Landing Pages](https://flexa-systems.com/pages/allen-bradley-repair): Brand-specific repair pages for Allen-Bradley, ABB, Danfoss, Fanuc, Fuji Electric, GE, Lenze, Mitsubishi, Omron, Parker.
- [Model Landing Pages](https://flexa-systems.com/pages/powerflex-4-4m-repair): Model-specific pages for PowerFlex 4/4M, ControlLogix, CompactLogix, Kinetix 300/350/5500/5700/6500, PanelView Plus 6/7, Mitsubishi GOT2000.
- [Glossary](https://flexa-systems.com/pages/glossary): Industrial automation terminology reference.
- [FAQ](https://flexa-systems.com/pages/faq): Frequently asked questions about repair process, warranty, turnaround, and shipping.
- [Nationwide Services](https://flexa-systems.com/pages/nationwide-services): Service area and mail-in logistics for all 50 US states.
- [Heavy Equipment Electronics](https://flexa-systems.com/pages/heavy-equipment-electronics): Specialized electronics repair for heavy equipment and off-highway vehicles.
- [Elevator Controls Repair](https://flexa-systems.com/pages/elevator-controls-repair): Elevator drive and controller repair service.