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
Vee-Arc Corp. 900-73333 PWM 7000 AC Drive Base Driver Repair: Call for price
Vee-Arc Corp. PC7000-33 PWM 7000 AC Drive Base Driver Repair: Call for price
Vee-Arc Corp. 900-721 PWM 7000 AC Drive Control Board Repair: Call for price
Vee-Arc Corp. PC7000-21 PWM 7000 AC Drive Control Board Repair: Call for price
Vee-Arc Corp. 900-709 PWM 7000 AC Drive Regulator Board Repair: Call for price
Vee-Arc Corp. PC7000-10D PWM 7000 AC Drive Regulator Board Repair: Call for price
Reliance Electric 1SU54010 SP500 Variable Speed AC Drive 575VAC 10HP Repair: 1,652.00
Reliance Electric 1SU54007 SP500 Variable Speed AC Drive 575VAC 7.5HP Repair: 1,328.00
Reliance Electric 1SU54005 SP500 Variable Speed AC Drive 575VAC 5HP Repair: 1,232.00
Reliance Electric 1SU54003 SP500 Variable Speed AC Drive 575VAC 3 HP Repair: 912.00
Reliance Electric 1SU54002 SP500 Variable Speed AC Drive 575VAC 2 HP Repair: 828.00
Reliance Electric 1SU54001 SP500 Variable Speed AC Drive 575VAC 1 HP Repair: 744.00
Reliance Electric 1SU51010 SP500 Variable Speed AC Drive 575VAC 10HP Repair: 1,320.00
Reliance Electric 1SU51007 SP500 Variable Speed AC Drive 575VAC 7.5HP Repair: 1,092.00
Reliance Electric 1SU51005 SP500 Variable Speed AC Drive 575VAC 5HP Repair: 964.00
Reliance Electric 1SU51003 SP500 Variable Speed AC Drive 575VAC 3 HP Repair: 812.00
Reliance Electric 1SU51002 SP500 Variable Speed AC Drive 575VAC 2 HP Repair: 716.00
Reliance Electric 1SU51001 SP500 Variable Speed AC Drive 575VAC 1 HP Repair: 652.00
Reliance Electric 1SU44010 SP500 Variable Speed AC Drive 440VAV 10HP Repair: 1,584.00
Reliance Electric 1SU44007 SP500 Variable Speed AC Drive 440VAC 7.5HP Repair: 1,276.00
Reliance Electric 1SU44005 SP500 Variable Speed AC Drive 440VAC 5HP Repair: 1,104.00
Reliance Electric 1SU44003 SP500 Variable Speed AC Drive 440VAC 3 HP Repair: 952.00
Reliance Electric 1SU44002 SP500 Variable Speed AC Drive 440VAV 2 HP Repair: 740.00
Reliance Electric 1SU44001 SP500 Variable Speed AC Drive 440VAC 1 HP Repair: 724.00
Reliance Electric 1SU41010 SP500 Variable Speed AC Drive 440VAC 10HP Repair: 1,272.00
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