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
Reliance Electric 2GU41003 3 HP 460V 3 Phase GP2000 AC Variable Speed Drive Repair: 1,828.00
Reliance Electric 2GU41002 2 HP 460V 3 Phase GP2000 AC Variable Speed Drive Repair: 1,256.00
Reliance Electric 2GU41001 1/4 To 1 HP 3Ph 460V GP2000 AC V*S Drive Repair: 1,204.00
Reliance Electric 2GU21010 10 HP 230V 3 Phase GP2000 AC Variable Speed Drive Repair: 1,976.00
Reliance Electric 2GU21007 7.5 HP 230V 3 Phase GP2000 AC Variable Speed Drive Repair: 1,644.00
Reliance Electric 2GU21003 3 HP 230V 3 Phase GP2000 AC Variable Speed Drive Repair: 1,072.00
Reliance Electric 2GU21002 2 HP 230V 3 Phase GP2000 AC Variable Speed Drive Repair: 1,028.00
Reliance Electric 2GU21001 1/4 To 1 HP 3Ph 230V GP2000 AC V*S Drive Repair: 1,108.00
KEB Electronic 07.56.210 Combivert AC Inverter Motor Control Repair: 1,116.00
Reliance Electric 0-52860-2 AC Variable Speed Drive VSAC Card Repair: 1,056.00
Emerson 2950-8005 Prism Adjustable Frequency AC Drive 4.25HP Repair: 1,104.00
Emerson 2950-8004 Prism Adjustable Frequency AC Drive 2.5HP Repair: 784.00
Emerson 2950-8003 Prism Adjustable Frequency AC Drive 5HP Repair: 908.00
Emerson 2950-8002 Prism Adjustable Frequency AC Drive 0.25 to 3HP Repair: 920.00
Emerson 2950-8001 Prism Adjustable Frequency AC Drive 3-5HP Repair: 872.00
Reliance Electric 0-55307-1 AC Variable Speed Drive Power Board Repair: 516.00
Toshiba VT130G2U412K Transistor Inverter 125 / 90 HP 460V Repair: Call for price
Toshiba VT130G2U410K Transistor Inverter 100 / 75 HP 460V Repair: Call for price
Toshiba VT130G2U4750 Transistor Inverter 75 / 55 HP 460V Repair: Call for price
Toshiba VT130G2U4600 Transistor Inverter 60 / 45 HP 460V Repair: Call for price
Toshiba VT130G2U4500 Transistor Inverter 50 / 37 HP 460V Repair: Call for price
Toshiba VT130G2U4400 Transistor Inverter 40 / 30 HP 460V Repair: Call for price
Toshiba VT130G2U4330 Transistor Inverter 30 / 22 HP 460V Repair: 3,252.00
Toshiba VT130G2U4270 Transistor Inverter 25 / 18.5 HP 460V Repair: 2,840.00
Toshiba VT130G2U4220 Transistor Inverter 20 / 15 HP 460V Repair: 2,732.00
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