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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7697 Items Found
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Mfg. Mfg. Part Num. Description Prices
Schneider Automation ATV320U22N4C Variable Frequency Drive 3HP 380-500VAC IP20 5.5 Amps Repair: Call for price
Schneider Automation ATV320U15N4C Variable Frequency Drive 2HP 380-500VAC IP20 4.1 amps Repair: Call for price
Vacon X4C40150C 15 HP 460V AC Motor Drive Repair: 2,544.00
Vacon X4C40075C 7.5 HP 460VAC Motor Drive Repair: 1,654.00
Allen Bradley 22C-D170A103 / A Powerflex 400 Series Drive 125HP 460V Repair: 6,848.00
KEB Electronic 10.F4.CRD-3420 F4 440VAC 2.2KW AC Drive Repair: 1,144.00
Leeson Electric 174296.00 Adjustable Speed AC Motor Control 3HP Repair: 416.00
ABB ACS550-U1-097A-4 Variable Frequency Drive VFD 75HP 55kW 96A 380-480VAC Repair: Call for price
Toshiba VFS15-2037PM-W1 Variable Frequency Drive 5hp 230V 3ph 17.5 amps Repair: Call for price
Magnetek CIMR-VU4A0031AAA Adjustable Frequency/Vector Crane Drive 380-480V 18.3 kVA Repair: 1,204.00
Mitsubishi FR-A520-37K AC DRIVE 50HP Repair: 3,684.00
Browning AC75 AS250 AC Drive Repair: 520.00
Boston Gear AFA347C 7.5HP 460V AC Drive Repair: 1,768.00
Boston Gear AFA347 7.5HP 460V AC Drive Repair: 1,764.00
Boston Gear AFA345C 5HP 460V AC Drive Repair: 2,060.00
Boston Gear AFA345 5HP 460V AC Drive Repair: 2,224.00
Boston Gear AFA3440 40HP 460V AC Drive Repair: 3,684.00
Boston Gear AFA3420C 20HP 460V AC Drive Repair: 2,488.00
Boston Gear AFA3420 20HP 460V AC Drive Repair: 2,556.00
Boston Gear AFA3415C 15HP 460V AC Drive Repair: 2,484.00
Boston Gear AFA3415 15HP 460V AC Drive Repair: 2,676.00
Boston Gear AFA3410C 10HP 460V AC Drive Repair: 2,056.00
Boston Gear AFA3410 10HP 460V AC Drive Repair: 2,224.00
Boston Gear AFA327C 7.5HP 230V AC Drive Repair: 2,488.00
Boston Gear AFA327 7.5HP 230V AC Drive Repair: 2,560.00
7697 Items Found
Can't Find Your Item?

We repair almost any item! Request a free quote through our RMA form or call us at Toll Free: (800) 284-2420