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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7695 Items Found
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Mfg. Mfg. Part Num. Description Prices
ABB ACS-143-1K1-3 W/KEYPAD ACS 140 1.7AMP AC Drive Repair: 632.00
ABB ACS-143-K75-3 W/KEYPAD ACS 140 1.2AMP AC Drive Repair: 632.00
ABB ACS-143-4K1-1 W/KEYPAD ACS 140 9AMP AC Drive Repair: 1,044.00
ABB ACS-143-2K7-1 W/KEYPAD ACS 140 7AMP AC Drive Repair: 908.00
ABB ACS-143-2K1-1 W/KEYPAD ACS 140 5.9AMP AC Drive Repair: 836.00
ABB ACS-143-1K6-1 W/KEYPAD ACS 140 4.3AMP AC Drive Repair: 632.00
ABB ACS-143-1K1-1 W/KEYPAD ACS 140 3AMP AC Drive Repair: 632.00
ABB ACS-143-K75-1 W/KEYPAD ACS 140 2.2AMP AC Drive Repair: 632.00
Leeson Electric 174433 25HP SM Plus Sub Micro Inverter Drive Repair: Call for price
Leeson Electric 174432 20HP SM Plus Speedmaster Sub Micro Inverter Drive Repair: 1,240.00
Leeson Electric 174430 20HP SM Plus Sub Micro Inverter Drive Repair: Call for price
Leeson Electric 174431 15HP SM Plus Sub-Micro Inverter Drive Repair: Call for price
Leeson Electric 174429 15HP SM Plus Sub-Micro Inverter Drive Repair: Call for price
Leeson Electric 174443 10HP SM Plus Sub-Micro Inverter Drive Repair: Call for price
Leeson Electric 174441 10HP SM Plus Sub-Micro Inverter Drive Repair: Call for price
Leeson Electric 174439 10HP SM Plus Sub-Micro Inverter Drive Repair: Call for price
Leeson Electric 174442 7.5HP SM Plus Sub Micro Inverter Drive Repair: Call for price
Leeson Electric 174440 7.5HP SM Plus Sub Micro Inverter Drive Repair: Call for price
Leeson Electric 174438 7.5HP SM Plus Sub Micro Inverter Drive Repair: Call for price
Leeson Electric 174448 5HP SM Plus Sub Micro Inverter Drive Repair: Call for price
Leeson Electric 174447 5HP SM Plus Sub Micro Inverter Drive Repair: Call for price
Leeson Electric 174444 5HP SM Plus Sub Micro Inverter Drive Repair: Call for price
Leeson Electric 174497 3HP SM Plus Sub Micro Inverter Drive Repair: Call for price
Leeson Electric 174463 3HP SM Plus Sub Micro Inverter Drive Repair: 588.00
Leeson Electric 174458 3HP SM Plus Sub Micro Inverter Drive Repair: 488.00
7695 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