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
AC Technology Q14005B 480 Volt 5 HP Variable Speed AC Motor Drive NEMA 1 Repair: 1,154.00
AC Technology Q15005B 590 Volt 5 HP Variable Speed AC Motor Drive NEMA 1 Repair: 1,464.00
AC Technology Q12008B 240 Volt 7.5 HP Variable Speed AC Motor Drive NEMA 1 Repair: Call for price
AC Technology Q14008B 480 Volt 7.5 HP Variable Speed AC Motor Drive NEMA 1 Repair: 1,484.00
AC Technology Q15008B 590 Volt 7.5 HP Variable Speed AC Motor Drive NEMA 1 Repair: Call for price
AC Technology Q12010B 240 Volt 10 HP Variable Speed AC Motor Drive NEMA 1 Repair: Call for price
AC Technology Q14010B 480 Volt 10 HP Variable Speed AC Motor Drive NEMA 1 Repair: Call for price
AC Technology Q15010B 590 Volt 10 HP Variable Speed AC Motor Drive NEMA 1 Repair: Call for price
AC Technology Q12015B 240 Volt 15 HP Variable Speed AC Motor Drive NEMA 1 Repair: 1,764.00
AC Technology Q14015B 480 Volt 15 HP Variable Speed AC Motor Drive NEMA 1 Repair: Call for price
AC Technology Q15015B 590 Volt 15 HP Variable Speed AC Motor Drive NEMA 1 Repair: Call for price
AC Technology Q12020B 240 Volt 20 HP Variable Speed AC Motor Drive NEMA 1 Repair: Call for price
AC Technology Q14020B 480 Volt 20 HP Variable Speed AC Motor Drive NEMA 1 Repair: Call for price
AC Technology Q15020B 590 Volt 20 HP Variable Speed AC Motor Drive NEMA 1 Repair: Call for price
AC Technology Q12025B 240 Volt 25 HP Variable Speed AC Motor Drive NEMA 1 Repair: Call for price
AC Technology Q14025B 480 Volt 25 HP Variable Speed AC Motor Drive NEMA 1 Repair: Call for price
AC Technology Q15025B 590 Volt 25 HP Variable Speed AC Motor Drive NEMA 1 Repair: Call for price
AC Technology Q12030B 240 Volt 30 HP Variable Speed AC Motor Drive NEMA 1 Repair: Call for price
AC Technology Q14030B 480 Volt 30 HP Variable Speed AC Motor Drive NEMA 1 Repair: 2,954.00
AC Technology Q15030B 590 Volt 30 HP Variable Speed AC Motor Drive NEMA 1 Repair: Call for price
AC Technology Q12040B 240 Volt 40 HP Variable Speed AC Motor Drive NEMA 1 Repair: Call for price
AC Technology Q14040B 480 Volt 40 HP Variable Speed AC Motor Drive NEMA 1 Repair: Call for price
AC Technology Q15040B 590 Volt 40 HP Variable Speed AC Motor Drive NEMA 1 Repair: Call for price
AC Technology Q14050B 480 Volt 50 HP Variable Speed AC Motor Drive NEMA 1 Repair: Call for price
AC Technology Q15050B 590 Volt 50 HP Variable Speed AC Motor Drive NEMA 1 Repair: Call for price
7702 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