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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Mfg. Mfg. Part Num. Description Prices
Magnetek GPD515C-A008 2HP 230V AC Drive Repair: 1,944.00
Magnetek GPD515C-A006 1HP 230V AC Drive Repair: 1,828.00
Magnetek GPD515C-A003 0.75 HP 230V AC Drive Repair: 1,580.00
AC Technology SF410 1HP 400V to 480V AC 3 Phase Variable Speed AC Motor Drive Repair: 764.00
ABB ACS-141-1H6-1 W/KEYPAD ACS 140 4.3AMP AC Drive Repair: 624.00
ABB ACS-141-1H1-1 W/KEYPAD ACS 140 3AMP AC Drive Repair: 552.00
ABB ACS-141-K75-1 W/KEYPAD ACS 140 2.2AMP AC Drive Repair: 552.00
ABB ACS-141-H37-1 W/KEYPAD ACS 140 1.7AMP AC Drive Repair: 552.00
ABB ACS-141-H25-1 W/KEYPAD ACS 140 1.4AMP AC Drive Repair: 552.00
ABB ACS-141-H18-1 W/KEYPAD ACS 140 1AMP AC Drive Repair: 552.00
ABB ACS-141-4K1-1 W/KEYPAD ACS 140 9AMP AC Drive Repair: 752.00
ABB ACS-141-2K7-1 W/KEYPAD ACS 140 7AMP AC Drive Repair: 624.00
ABB ACS-141-2K1-1 W/KEYPAD ACS 140 5.9AMP AC Drive Repair: 624.00
ABB ACS-141-1K6-1 W/KEYPAD ACS 140 4.3AMP AC Drive Repair: 624.00
ABB ACS-141-1K1-1 W/KEYPAD ACS 140 3AMP AC Drive Repair: 552.00
ABB ACS-141-K75-1 W/KEYPAD ACS 140 2.2AMP AC Drive Repair: 552.00
ABB ACS-141-K37-1 W/KEYPAD ACS 140 1.7AMP AC Drive Repair: 552.00
ABB ACS-141-K25-1 W/KEYPAD ACS 140 1.4AMP AC Drive Repair: 552.00
ABB ACS-141-K18-1 W/KEYPAD ACS 140 1AMP AC Drive Repair: 552.00
ABB ACS-143-2H1-3 W/KEYPAD ACS 140 2.8AMP AC Drive Repair: 632.00
ABB ACS-143-1H6-3 W/KEYPAD ACS 140 2AMP AC Drive Repair: 632.00
ABB ACS-143-1H1-3 W/KEYPAD ACS 140 1.7AMP AC Drive Repair: 632.00
ABB ACS-143-H75-3 W/KEYPAD ACS 140 1.2AMP AC Drive Repair: 632.00
ABB ACS-143-4K1-3 W/KEYPAD ACS 140 4.9AMP AC Drive Repair: 636.00
ABB ACS-143-2K1-3 W/KEYPAD ACS 140 2.8AMP AC Drive Repair: 632.00
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
Leeson Electric 174495 3HP SM Plus Sub Micro Inverter Drive Repair: Call for price
Leeson Electric 174446 2HP SM Plus Sub Micro Inverter Drive Repair: Call for price
Leeson Electric 174462 2HP SM Plus Sub Micro Inverter Drive Repair: Call for price
Leeson Electric 174457 2HP SM Plus Sub Micro Inverter Drive Repair: Call for price
Leeson Electric 174494 2HP SM Plus Sub Micro Inverter Drive Repair: Call for price
Leeson Electric 174461 1.5HP SM Plus Sub-Micro Inverter Drive Repair: Call for price
Leeson Electric 174456 1.5HP SM Plus Sub-Micro Inverter Drive Repair: 396.00
Leeson Electric 174493 1.5HP SM Plus Sub-Micro Inverter Drive Repair: Call for price
Leeson Electric 174445 1.5HP SM Plus Sub-Micro Inverter Drive Repair: Call for price
Leeson Electric 174464 1HP SM Plus Sub-Micro Inverter Drive Repair: Call for price
Leeson Electric 174455 1HP SM Plus Sub-Micro Inverter Drive Repair: Call for price
Leeson Electric 174454 1HP SM Plus Sub-Micro Inverter Drive Repair: Call for price
Leeson Electric 174492 1HP SM Plus Sub-Micro Inverter Drive Repair: Call for price
Leeson Electric 174459 0.5HP SM Plus Sub-Micro Inverter Drive Repair: 372.00
Leeson Electric 174453 0.5HP SM Plus Sub-Micro Inverter Drive Repair: Call for price
Leeson Electric 174451 0.5HP SM Plus Sub-Micro Inverter Drive Repair: Call for price
Leeson Electric 174452 1/4 HP SM Plus Sub-Micro Inverter Drive Repair: Call for price
Leeson Electric 174450 1/4 HP SM Plus Sub-Micro Inverter Drive Repair: Call for price
Allen Bradley 1336S-BRF50-AA-EN 1336+ Adjustable AC Drive 5 HP 480V Repair: Call for price
Square D VSD07U72S60 5 HP 590V AC Motor Drive Repair: 400.00
Square D VSD07U41S60 3 HP 590V AC Motor Drive Repair: 388.00
Square D VSD07U29S60 2 HP 590V AC Motor Drive Repair: 356.00
Square D VSD07U41N40 3 HP 400-480V AC Motor Drive Repair: 388.00
Square D VSD07U29N40 2 HP 400-480V AC Motor Drive Repair: 356.00
Square D VSD07U41M20 3 HP 120-240V AC Motor Drive Repair: 388.00
Square D VSD07U29M20 2 HP 208-240V AC Motor Drive Repair: 356.00
Bodine Electric 2722 Pacesetter Nano AC Drive 1 HP Repair: Call for price
Bodine Electric 2720 Pacesetter Nano AC Drive 1 HP Repair: Call for price
Bodine Electric 2712 Pacesetter Nano AC Drive 0.5 HP Repair: Call for price
Bodine Electric 2702 Pacesetter Nano AC Drive 0.25 HP Repair: Call for price
Bodine Electric 2700 Pacesetter Nano AC Drive 0.25 HP Repair: Call for price
Bodine Electric 2703 Pacesetter Nano AC Drive 0.5 HP Repair: Call for price
Bodine Electric 2701 Pacesetter Nano AC Drive 0.25 HP Repair: Call for price
Emerson WM4120 2HP 460V AC Drive Repair: 920.00
AC Technology SF4250 25HP 400 / 4870VAC 3 Phase Variable Speed AC Motor Drive Repair: 4,324.00
AC Technology SF5200 20HP 480V to 590V AC 3 Phase Variable Speed AC Motor Drive Repair: 1,144.00
AC Technology SF2200 20HP 208V / 240V AC 3 Phase Variable Speed AC Motor Drive Repair: 2,060.00
AC Technology SF5150 15HP 480V / 590V AC 3 Phase Variable Speed AC Motor Drive Repair: 1,032.00
AC Technology SF4150 15HP 400 / 480 VAC 3 Phase Variable Speed AC Motor Drive Repair: 2,200.00
AC Technology SF2150 15HP 208 / 240 VAC 3 Phase Variable Speed AC Motor Drive Repair: 1,868.00
AC Technology SF5100 10HP 480V / 590V AC 3 Phase Variable Speed AC Motor Drive Repair: 924.00
AC Technology SF4100 10HP 400/480 VAC 3PH Variable Speed AC Motor Drive Repair: 2,088.00
AC Technology SF2100 10HP 208V / 240V AC 3 Phase Variable Speed AC Motor Drive Repair: 1,368.00
AC Technology SF575 7.5HP 480/590 VAC 3 Phase Variable Speed AC Motor Drive Repair: 844.00
AC Technology SF475 7.5HP 400/480 VAC 3 Phase Variable Speed AC Motor Drive Repair: 1,672.00
AC Technology SF275 7.5HP 208/240 VAC 3 Phase Variable Speed AC Motor Drive Repair: 1,020.00
AC Technology SF550Y 5HP 480/590 VAC 3 Phase Variable Speed AC Motor Drive Repair: 784.00
AC Technology SF450 5HP 400/480 VAC 3PH Variable Speed AC Motor Drive Repair: 1,252.00
AC Technology SF250Y 5HP 208/240 VAC 3 Phase Variable Speed AC Motor Drive Repair: 968.00
AC Technology SF530 3HP 480/590 VAC 3 Phase Variable Speed AC Motor Drive Repair: 744.00
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