INDUSTRIAL REPAIR SERVICES & TECHNICAL DIVISIONS
Full dynamic load testing, waveform curve analysis, and 24/7 emergency rush repairs across all major industrial automation, motion control, and power electronics categories.
Zero bench evaluation fee. Emergency 24-48h rush testing available.
Comprehensive Bench Capabilities by Category
Each repair division features specialized NIST-traceable instrumentation, custom load simulators, and experienced micro-soldering bench technicians.
Industrial VFDs & Motion
Component-level repair & load testing for all VFD topologies.
Variable Frequency Drive (VFD) Repair & Dyno Testing
Component-level restoration, gate driver rebuilding, IGBT module replacement, and full-load dynamic dyno testing for heavy industrial Variable Frequency Drives (VFD) and vector inverters.
Open & Closed-Loop Flux Vector VFDs • Variable Torque Fan & Pump Drives • Heavy Industrial Regenerative Line Drives • Medium & Low Voltage AC Inverters
AC Servo Drives & Amplifiers
Precision closed-loop servo amplifier repair, optical/serial encoder alignment, IPM power module rebuilding, and multi-axis motion synchronization diagnostics.
Multi-Axis Servo Amplifiers & Modules • Direct Drive Linear Motor Controllers • Brushless AC Servo Power Stages • High-Resolution Encoder/Resolver Interface Boards
DC Drives & SCR Converters
Heavy DC armature & field regulator repair, thyristor/SCR bridge testing, firing angle synchronization, and high-torque mill motor drive restoration.
4-Quadrant Regenerative DC Drives • Analog & Digital Field Regulators • SCR Thyristor Bridge Rectifier Modules • Tachometer Generator Interface Logic
Stepper Drivers & Microstep Drives
Microstep resolution tuning, MOSFET power bridge rebuilding, step/dir optocoupler replacement, and thermal dissipation enhancement for automated indexers.
High-Torque Bipolar Stepper Drivers • Closed-Loop Stepper & Encoder Drives • Multi-Axis Motion Controller Indexers • CanOpen / EtherCAT Stepper Modules
Solid-State Soft Starters
Heavy industrial motor soft starter repair, bypass contactor logic restoration, SCR pair testing, and voltage ramp timing calibration.
Low & Medium Voltage Soft Starters • Integrated Bypass Contactor Starter Units • Pump Control & Torque Ramp Modules • Current-Limit Motor Starters
AC-DC / DC-AC Inverters
High-efficiency industrial inverter power supply repair, solar/solar-hybrid converter board rebuilding, and sine wave output filter tuning.
Industrial UPS Inverter Modules • High-Frequency Solar & Battery Inverters • DC-AC Sine Wave Converters • Regenerative Line Feed Units
Automation & Logic Cards
Microprocessor, memory, and I/O bus diagnostic repairs.
PLC I/O Modules & Racks
Component-level repair of programmable logic controllers, digital/analog I/O cards, communication processors, and power supply backplanes.
Digital Input/Output Modules (24VDC / 120VAC) • High-Resolution Analog Input Cards (4-20mA / 0-10V) • Thermocouple & RTD Temperature Racks • PLC Main CPU Processors & Communication Co-Processors
Industrial & Embedded PCs
Ruggedized industrial box PC repair, single-board computer (SBC) restoration, fanless power supply repair, and solid-state drive recovery.
Rackmount & Panel Industrial PCs • Fanless Embedded Automation Controllers • PC-Based Machine Motion Controllers • PCI / PCIe Industrial Expansion Cards
Multi-Layer Circuit Board Repair
Reverse-engineering, trace repair, component replacement, and signature analysis for proprietary multi-layer electronic circuit boards without schematics.
Proprietary Machinery Motherboards • Multi-Layer SMD / BGA Circuit Cards • High-Density Power Driver PCBs • Obsolete Custom Factory Electronic Cards
Sensors & Optical Encoder Repair
Precision calibration and bench repair for optical rotary encoders, resolver sensors, laser displacement sensors, and industrial feedback transducers.
Absolute & Incremental Rotary Encoders • Brushless Servo Resolvers & Linear Scales • Laser & Photoelectric Distance Sensors • Proximity & Inductive Transducer Interface Cards
Displays & CNC Systems
Screen recaching, touch sensor replace & controller card repair.
HMI Touch Panels & Industrial Displays
Touchscreen glass replacement, LCD backlight repair, membrane keypad refurbishing, and mainboard logic restoration for industrial operator interfaces.
Resistive & Capacitive HMI Touch Panels • Industrial TFT LCD Displays & Keypads • Operator Interface Units & Pendant Stations • High-Brightness Washdown Touch Screens
CNC Controllers & Multi-Axis Drives
Component repair for CNC machine tool controllers, multi-axis spindle and servo drives, encoder interface cards, and operator pendants.
CNC Main CPU Motherboards & Graphic Cards • Spindle Drives & Multi-Axis Servo Amplifiers • High-Resolution Pulse Encoder Cards • Manual Pulse Generator (MPG) Pendants
Power, Heat & Process
Precision thermal management and industrial power systems.
Switch-Mode Power Supplies (SMPS)
Industrial high-wattage power supply repair, active PFC controller rebuilding, transformer rewinding, and output voltage ripple filtration.
24VDC High-Amperage DIN-Rail Power Supplies • High-Voltage Modular SMPS Units • Redundant Power Supply Modules • Uninterruptible Power Supply (UPS) Inverter Chargers
Temperature & PID Controllers
Multi-zone PID loop temperature controller repair, thermocouple/RTD input calibration, and solid-state relay (SSR) trigger board restoration.
Multi-Zone Temperature PID Controllers • Extruder & Barrel Heating Controller Cards • Thermocouple (J/K/T) & RTD (Pt100) Input Modules • SSR & Thyristor Power Regulators
Proportional Valves & Hydraulic Cards
Repair of hydraulic proportional valve amplifier cards, servo valve driver electronics, LVDT position feedback cards, and current-loop controllers.
Proportional Directional Valve Driver Cards • Servo Valve Electronic Driver Modules • LVDT Position Transducer Amplifier Cards • Pressure & Flow Rate Proportional Cards
Flow, Pressure & Level Transmitters
Field instrument transmitter repair, magnetic flowmeter signal converter rebuilding, ultrasonic level sensor card repair, and 4-20mA loop tuning.
Magnetic Flowmeter Signal Converters / Electronics • Differential Pressure Transmitters • Ultrasonic & Radar Level Transmitters • Mass Flow Meter Sensor Boards
Safety Guard & Interlock Relays
Dual-channel safety relay module repair, emergency stop interlock board restoration, light curtain controller repair, and SIL3/PLe verification.
Dual-Channel Emergency Stop Safety Relays • Safety Light Curtain Controller Modules • Two-Hand Control Safety Relays • Programmable Safety Logic Controllers
Industrial Contactors & Circuit Breaker Controls
Bench diagnostic and contact restoration for heavy industrial vacuum contactors, molded case circuit breaker trip units, and motor protection relays.
Vacuum & Air Circuit Breaker Control Cards • Electronic Solid-State Trip Units (ETU) • Heavy Industrial AC/DC Contactors • Motor Overload & Phase Protection Relays
Industrial Power Supplies & SMPS
Industrial high-wattage power supply repair, active PFC controller rebuilding, transformer rewinding, and output voltage ripple filtration.
24VDC High-Amperage DIN-Rail Power Supplies • High-Voltage Modular SMPS Units • Redundant Power Supply Modules • Uninterruptible Power Supply (UPS) Inverter Chargers
Specialized & High-Precision
Military & NIST compliant high-voltage & biomedical electronics.
High & Low Voltage Test Gear
Precision utility test equipment repair, high-pot insulation tester restoration, relay test set calibration, and high-voltage multiplier repair.
High-Potential (Hi-Pot) Insulation Testers • Protective Relay Test Sets • Transformer Turns Ratio (TTR) Meters • Circuit Breaker Primary Injection Testers
Biomedical & Medical Device Boards
Component-level restoration of medical diagnostic electronics, sterilizer PLC boards, centrifuge drive cards, and laboratory power supplies.
Autoclave & Sterilizer Control Boards • Centrifuge Frequency Inverters & Drives • Medical Grade SMPS Power Supplies • Analytical Diagnostic Instrument Cards
Laboratory & Analytical Instruments
Component repair for precision laboratory test instruments, spectrograph control cards, chromatograph power stages, and high-resolution measurement devices.
Chromatography & Spectrometry Power Boards • Precision Digital Oscilloscopes & Multimeters • Signal Generators & Spectrum Analyzers • Environmental Chamber Controllers
Engineering Insights & Root-Cause Diagnostic Standards: Industrial Electronics & Automation Repair Services
In-depth component breakdown, diagnostic protocols, and industrial maintenance specs by Apex Industrial Control.
Have Equipment Needing Immediate Bench Evaluation?
Send your damaged drives, PLCs, HMIs, or power units to our lab for 100% free component diagnostic curve tracing and guaranteed repair quotes.