AC Motor Controls


Expert AC Motor Control Repair Services

At Control System Labs, we specialize in the repair of a wide range of AC motor controls, including variable frequency drives (VFDs), soft starters, and inverter drives. Our experienced technicians are equipped to handle devices from a variety of leading manufacturers. We offer comprehensive services to return your equipment to optimal performance, minimizing downtime and extending the lifespan of your assets.

Our repair services address common issues such as:

  • Overheating and thermal failures
  • Faulty capacitors and power supply issues
  • Control circuit malfunctions
  • Communication errors and interface problems
  • Drive not powering up or inconsistent performance

Our repair process includes:

  • Detailed diagnostics
  • Replacement of defective components with high-quality parts
  • Functional testing under load conditions 
  • Comprehensive 2-year warranty on all repairs

To initiate a repair, you can search further in the list below, or feel free to Contact Us directly for help in resolving your specific issue.

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7694 Items Found
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Mfg. Mfg. Part Num. Description Prices
Hitachi J300-075HFU 10HP AC Motor Drive 460V Repair: 1,192.00
Hitachi J300-075HFE2 10HP AC Motor Drive 460V Repair: 1,268.00
Hitachi J300-075HFE 10HP AC Motor Drive 460V Repair: 1,320.00
Hitachi J300-055LFU 7.5HP AC Motor Drive 230V Repair: 1,100.00
Hitachi J300-055HFU 7.5HP AC Motor Drive 460V Repair: 1,164.00
Allen Bradley 160-AA08NSFI SERIES C Smart Speed Controller 2 Hp 240 V Repair: Call for price
Allen Bradley 160-AA08NSFI SERIES A Smart Speed Controller 2 Hp 240 V Repair: Call for price
Cutler-Hammer AF93AG0C003D Adjustable Frequency AC Drive 3HP 460V Repair: Call for price
Mitsubishi FR-A044-3.7K Freqrol AC Motor Inverter 5HP Repair: Call for price
Mitsubishi FR-A044-2.2K Freqrol AC Motor Inverter 3 HP Repair: Call for price
Mitsubishi FR-A044-1.5K Freqrol AC Motor Inverter 2 HP Repair: Call for price
Mitsubishi FR-A044-0.75K Freqrol AC Motor Inverter 1 HP Repair: Call for price
Mitsubishi FR-A044-0.4K Freqrol AC Motor Inverter 0.5 HP Repair: Call for price
Mitsubishi FR-A024-3.7K Freqrol AC Motor Inverter 5HP Repair: 664.00
Mitsubishi FR-A024-2.2K W/KEYPAD Freqrol AC Motor Inverter 3 HP Repair: 900.00
Mitsubishi FR-A024-1.5K Freqrol A024 AC Motor Inverter 2 HP Repair: 628.00
Mitsubishi FR-A024-0.75K Freqrol AC Motor Inverter 1 HP Repair: 624.00
Mitsubishi FR-A024-0.4K Freqrol AC Motor Inverter 0.5 HP Repair: Call for price
Mitsubishi FR-A024-0.2K Freqrol AC Motor Inverter 0.25 HP Repair: Call for price
Mitsubishi FR-A024-0.1K Freqrol AC Motor Inverter 1/8HP Repair: Call for price
Siemens 6SE3015-8DC00 Micromaster 3 HP AC Motor Repair: 668.00
Danfoss VLT5200PT5CN1STP1DL AC Drive Part No. 176F0172 Repair: Call for price
Magnetek GPD505V-B014 10HP 460V AC Drive Repair: 1,444.00
Danfoss VLT5200 200HP AC Drive Repair: Call for price
Allen Bradley 1333-GAN-B 20 HP AC Drive Repair: 2,480.00
Allen Bradley 126802-REV 02 1333 AC Motor Drive Keyboard Display Assembly Repair: Call for price
Sumitomo NTAC-2000 Use Correct Part Number for Search Repair: Call for price
Sumitomo NT2012-7A5 Sensorless Vector AC Drive 10 HP 230VAC Repair: 2,364.00
Sumitomo NT2012-5A5 Sensorless Vector AC Drive 7.5 HP 230VAC Repair: 2,076.00
Sumitomo NT2012-3A7 Sensorless Vector AC Drive 5 HP 230VAC Repair: 1,672.00
Sumitomo NT2012-2A2 Sensorless Vector AC Drive 3 HP 230VAC Repair: 812.00
Sumitomo NT2012-1A5 Sensorless Vector AC Drive 2 HP 230VAC Repair: 660.00
Sumitomo NT2012-A75 Sensorless Vector AC Drive 1 HP 230VAC Repair: 608.00
Sumitomo NT2014-3A7 Sensorless Vector AC Drive 5 HP 440VAC Repair: 896.00
Sumitomo NT2014-2A2 Sensorless Vector AC Drive 3 HP 440VAC Repair: 732.00
Sumitomo NT2014-1A5 Sensorless Vector AC Drive 2 HP 440VAC Repair: 660.00
Sumitomo NT2014-A75 Sensorless Vector AC Drive 1 HP 440VAC Repair: 660.00
Sumitomo NT2014-018V Sensorless Vector AC Drive 25HP 440VAC Repair: 2,552.00
Sumitomo NT2014-015 Sensorless Vector AC Drive 20 HP 440VAC Repair: 1,948.00
Sumitomo NT2014-011 Sensorless Vector AC Drive 15 HP 440VAC Repair: 1,672.00
Sumitomo NT2014-7A5 Sensorless Vector AC Drive 10 HP 440VAC Repair: 1,252.00
Sumitomo NT2014-5A5 Sensorless Vector AC Drive 7.5 HP 440VAC Repair: 1,032.00
Boston Gear ACX4100 ACX AC Drive 10 HP 460VAC Repair: 1,120.00
Boston Gear ACX4075 ACX AC Drive 7.5 HP 460VAC Repair: 1,216.00
Boston Gear ACX4050 ACX AC Drive 5 HP 460VAC Repair: Call for price
Boston Gear ACX4030 ACX AC Drive 3 HP 460VAC Repair: 520.00
Boston Gear ACX4020 ACX AC Drive 2 HP 460VAC Repair: 816.00
Boston Gear ACX4015 ACX AC Drive 1.5 HP 460VAC Repair: 696.00
Boston Gear ACX4010 ACX AC Drive 1 HP 460VAC Repair: 744.00
Boston Gear ACX2100 ACX AC Drive 10 HP 230VAC Repair: Call for price
Boston Gear ACX2075 ACX AC Drive 7.5 HP 230VAC Repair: Call for price
Boston Gear ACX2050 ACX AC Drive 5 HP 230VAC Repair: Call for price
Boston Gear ACX2030 ACX AC Drive 3 HP 230VAC Repair: 1,072.00
Boston Gear ACX2020 ACX AC Drive 2 HP 230VAC Repair: 416.00
Boston Gear ACX2015 ACX AC Drive 1.5 HP 230VAC Repair: 696.00
Boston Gear ACX2010 ACX AC Drive 1 HP 230VAC Repair: 392.00
Boston Gear ACX2003 ACX AC Drive 1/3HP 230VAC Repair: 452.00
Square D ATV16U54N4 Altivar 16 AC Drive 4 HP 460V Repair: 1,624.00
Lenze 746/7042 16Amp AC Inverter Motor Control 5HP Repair: 1,508.00
Lenze 746/7041 16Amp AC Inverter Motor Control 5HP Repair: 1,508.00
Lenze 746 16Amp AC Inverter Motor Control 5HP Repair: 868.00
Lenze 745/7042 12Amp AC Inverter Motor Control 4HP Repair: 1,508.00
Lenze 745/7041 12Amp AC Inverter Motor Control 4HP Repair: 1,508.00
Lenze 745 12Amp AC Inverter Motor Control 4HP Repair: 1,120.00
Lenze 743/7042 7Amp AC Inverter Motor Control 2 HP Repair: 1,084.00
Lenze 743/7041 7Amp AC Inverter Motor Control 2 HP Repair: 1,368.00
Lenze 743 7Amp AC Inverter Motor Control 2 HP Repair: 784.00
Lenze 742 4Amp AC Inverter Motor Control 1 HP Repair: 684.00
Lenze 742/7042 4Amp AC Inverter Motor Control 1 HP Repair: 1,256.00
Lenze 742/7041 4Amp AC Inverter Motor Control 1 HP Repair: 1,108.00
NSK ESA-Y2020A23-11 Motor Control 220V 1.0kVA Repair: 1,164.00
Square D ATV58HD46M2 Altivar 58 208/230V 40HP AC Drive Repair: Call for price
Square D ATV58HD33M2 Altivar 58 208/230V 30HP AC Drive Repair: Call for price
Square D ATV58HD28M2 Altivar 58 208/230V 25HP AC Drive Repair: Call for price
Square D ATV58HD23M2 Altivar 58 208/230V 20 HP AC Drive Repair: Call for price
Square D ATV58HD16M2 Altivar 58 208/230V 15 HP AC Drive Repair: Call for price
Square D ATV58HD12M2 Altivar 58 208/230V 10 HP AC Drive Repair: 1,792.00
Square D ATV58HU90M2ZU Altivar 58 208/230V 7.5 HP AC Drive Repair: 1,124.00
Square D ATV58HU72M2 Altivar 58 208/230V 5 HP AC Drive Repair: 956.00
Square D ATV58HU54M2 Altivar 58 208/230V 4HP AC Drive Repair: 956.00
Square D ATV58HU41M2 Altivar 58 208/230V 3 HP AC Drive Repair: 868.00
Square D ATV58HU18M2 Altivar 58 208/230V 0.75 HP AC Drive Repair: 664.00
Square D ATV58HU09M2 Altivar 58 208/230V 0.5 HP AC Drive Repair: 664.00
Square D ATV58HD79N4 Altivar 58 440V 75 HP AC Drive Repair: Call for price
Square D ATV58HD64N4 Altivar 58 440V 60HP AC Drive Repair: Call for price
Square D ATV58HD54N4 Altivar 58 440V 50HP AC Drive Repair: Call for price
Square D ATV58HD46N4 Altivar 58 440V 40HP AC Drive Repair: Call for price
Square D ATV58HD33N4 Altivar 58 440V 30HP AC Drive Repair: Call for price
Square D ATV58HD28N4 Altivar 58 440V 25HP AC Drive Repair: Call for price
Square D ATV58HD23N4 Altivar 58 440V 20 HP AC Drive Repair: Call for price
Square D ATV58HD16N4 Altivar 58 440V 15 HP AC Drive Repair: Call for price
Square D ATV58HD12N4 Altivar 58 440V 10 HP AC Drive Repair: Call for price
Square D ATV58HU90N4 Altivar 58 440V 7.5 HP AC Drive Repair: 1,232.00
Square D ATV58HU72N4 Altivar 58 440V 5 HP AC Drive Repair: 960.00
Square D ATV58HU41N4 Altivar 58 440V 3 HP AC Drive Repair: 740.00
Square D ATV58HU29N4 Altivar 58 440V 2 HP AC Drive Repair: 572.00
Square D ATV58HU18N4 Altivar 58 440V 1 HP AC Drive Repair: 472.00
Square D ATV58HU54N4 Altivar 58 440V 4HP AC Drive Repair: 956.00
Motortronics CSD-402N CSD AC Inverter 460V 2HP Repair: 724.00
Mitsubishi FR-A024-1.5K-UL Freqrol A024 AC Inverter Drive 2 HP Repair: 620.00
7694 Items Found
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We repair almost any item! Request a free quote through our RMA form or call us at Toll Free: (800) 284-2420