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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7694 Items Found
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Mfg. Mfg. Part Num. Description Prices
Lovejoy UNT VSD STD 230 020 230VAC 2 HP AC Inverter Repair: 1,140.00
Lovejoy UNT VSD STD 230 010 230VAC 1 HP AC Inverter Repair: 992.00
Fincor UNT VSD STD 230 010 230VAC 1 HP AC Inverter Repair: 600.00
Fincor UNT VSD STD 230 005 230VAC FHP AC Inverter Repair: 600.00
Lovejoy UNT VSD STD 230 005 230VAC FHP AC Inverter Repair: 992.00
Woods WFC4010-0C 10 HP E-Trac AC Inverter Repair: 1,920.00
AC Technology VP14100 460VAC 10 HP AC Drive V- Repair: Call for price
AC Technology VP1475 460VAC 7.5 HP AC Drive V- Repair: 1,368.00
AC Technology VP1450 460VAC 5 HP AC Drive V- Repair: 1,268.00
AC Technology VP1430 460VAC 3 HP AC Drive V- Repair: 1,080.00
AC Technology VP1420 460VAC 2 HP AC Drive V- Repair: 992.00
AC Technology VP1415 460VAC 1.5 HP AC Drive V- Repair: 992.00
AC Technology VP14010A 460VAC 1 HP AC Drive V- Repair: 992.00
AC Technology VP1250 230VAC 5 HP AC Drive V- Repair: Call for price
AC Technology VP1230 230VAC 3 HP AC Drive V- Repair: Call for price
AC Technology VP1220 230VAC 2 HP AC Drive V- Repair: Call for price
AC Technology VP1215 230VAC 1.5 HP AC Drive V- Repair: Call for price
AC Technology VP1210 230VAC 1 HP AC Drive V- Repair: Call for price
AC Technology VP1207A 230VAC FHP AC Drive V- Repair: Call for price
AC Technology 901-006 AC Drive Control Card Repair: Call for price
AC Technology 901-706 AC Drive Control Card Repair: 472.00
Vee-Arc Corp. 900-760 PWM 7000 AC Drive DC Braking Board Repair: Call for price
Vee-Arc Corp. PC7000-60 PWM 7000 AC Drive DC Braking Board Repair: Call for price
Vee-Arc Corp. 900-750 PWM 7000 AC Drive Charge Board Repair: Call for price
Vee-Arc Corp. PC7000-50 PWM 7000 AC Drive Charge Board Repair: Call for price
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
Reliance Electric 1SU41007 SP500 Variable Speed AC Drive 440VAC 7.5HP Repair: 1,040.00
Reliance Electric 1SU41005 SP500 Variable Speed AC Drive 440VAC 5HP Repair: 856.00
Reliance Electric 1SU41003 SP500 Variable Speed AC Drive 440VAC 3 HP Repair: 872.00
Reliance Electric 1SU41002 SP500 Variable Speed AC Drive 44OVAC 2 HP Repair: 712.00
Reliance Electric 1SU24005 SP500 Variable Speed AC Drive 230VAC 5HP Repair: 1,256.00
Reliance Electric 1SU24003 SP500 Variable Speed AC Drive 230VAC 3 HP Repair: 836.00
Reliance Electric 1SU24002 SP500 Variable Speed AC Drive 230VAC 2 HP Repair: 720.00
Reliance Electric 1SU24001 SP500 Variable Speed AC Drive 230VAC 1 HP Repair: 540.00
Reliance Electric 1SU21005 SP500 Variable Speed AC Drive 230VAC 5HP Repair: 828.00
Reliance Electric 1SU21003 SP500 Variable Speed AC Drive 230VAC 3 HP Repair: 656.00
Reliance Electric 1SU21002 SP500 Variable Speed AC Drive 230VAC 2 HP Repair: 572.00
Reliance Electric 1SU21001 SP500 Variable Speed AC Drive 1 HP 230VAC Repair: 540.00
Reliance Electric 1SU41001 SP500 Variable Speed AC Drive 440VAC 1 HP Repair: 668.00
General Electric 6VAF343020B AF-300B Drive 20HP Repair: 1,868.00
Allen Bradley 1336-B005-EOD 1336 Adjustable AC Drive 5HP Repair: Call for price
Allen Bradley 1336-B020-EOE-L3 1336 20 HP AC Drive Repair: Call for price
Mitsubishi FR-Z220-7.5K 3 Phase 10 HP Freqrol Inverter Drive Repair: 1,880.00
Mitsubishi FR-Z220-7.5K-UL 3 Phase 10 HP Freqrol Inverter Drive Repair: 2,036.00
Mitsubishi FR-Z220-7.5KP 3 Phase 10 HP Freqrol Inverter Drive Repair: 1,980.00
Mitsubishi FR-Z220-5.5KP 3 Phase 7.5 HP Freqrol Inverter Drive Repair: 1,476.00
Mitsubishi FR-Z220-3.7K 3 Phase 5 HP Freqrol Inverter Drive Repair: 772.00
Mitsubishi FR-Z220-15K-UL 3 Phase 20 HP Freqrol Inverter Drive Repair: 3,980.00
Mitsubishi FR-Z220-11K-UL 3 Phase 15 HP Freqrol Inverter Drive Repair: 2,296.00
Mitsubishi FR-Z220-1.5KP 3 Phase 2 HP Freqrol Inverter Drive Repair: 732.00
Mitsubishi FR-Z220-1.5K-UL 3 Phase 2 HP Freqrol Inverter Drive Repair: 1,320.00
Mitsubishi FR-Z220-0.75K-UL 3 Phase 1 HP Freqrol Inverter Drive Repair: 656.00
Mitsubishi FR-Z220-0.75KP 3 Phase 1 HP Freqrol Inverter Drive Repair: 724.00
Allen Bradley 1332-BAA/SERIES A Adjustable Frequency Drive 3 HP 230V Repair: 1,204.00
Allen Bradley 1332-BAA Adjustable Frequency Drive 3 HP 230V Repair: 1,204.00
Allen Bradley 1332-AAB Adjustable Frequency Drive 1 HP 460V Repair: 892.00
Allen Bradley 1332-AAA/SERIES B Adjustable Frequency Drive 1 HP 230V Repair: 892.00
Allen Bradley 1332-AAA/SERIES A Adjustable Frequency Drive 1 HP 230V Repair: 892.00
Allen Bradley 1332-AAA Adjustable Frequency Drive 1 HP 230V Repair: 892.00
Allen Bradley 1332-ZAA Adjustable Frequency Drive 3/4 HP 230V Repair: 772.00
Allen Bradley 1332-YAB Adjustable Frequency Drive 2 HP 460V Repair: 1,108.00
Allen Bradley 1332-YAA Adjustable Frequency Drive 2 HP 230V Repair: 1,108.00
Allen Bradley 1332-EAA Adjustable Frequency Drive 10HP 230V Repair: 2,124.00
Allen Bradley 1332-CAB Adjustable Frequency Drive 5HP 460V Repair: 1,268.00
Allen Bradley 1332-CAA/SERIES A Adjustable Frequency Drive 5HP 230V Repair: 1,388.00
Allen Bradley 1332-CAA Adjustable Frequency Drive 5HP 230V Repair: 1,388.00
Allen Bradley 1332-BAA/SERIES B Adjustable Frequency Drive 3 HP 230V Repair: 1,204.00
Allen Bradley 1332-BAB Adjustable Frequency Drive 3 HP 460V Repair: 1,204.00
Saftronics CIMR-PCU42P2 PC3 3 Phase 460V 3 HP PC3 AC Inverter Repair: 908.00
Saf Drive Systems 7000-460-5.5-A-0 7000 G-6 Safvert AC Drive Repair: 1,660.00
Allen Bradley 1336-B030-EOF-FA2-L3-S1 1336 30HP AC Drive Repair: Call for price
Zycron ZAC-504 5HP AC Drive Repair: 1,292.00
Zycron ZAC-500 5HP AC Drive Repair: Call for price
Zycron ZAC-4075 0.75 HP AC Drive Repair: 848.00
Zycron ZAC-304 3HP AC Drive Repair: 932.00
Zycron ZAC-300 3HP AC Drive Repair: 828.00
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