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
Emerson 6230-8000 Eclipse 3 75 HP to 100 HP Digital AC Drive Repair: Call for price
Emerson 6230-8421 Eclipse 2 50 HP to 75 HP Digital AC Drive Repair: Call for price
Emerson 6230-8420 Eclipse 2 30 HP to 50 HP Digital AC Drive Repair: Call for price
Emerson 6230-8221 Eclipse 2 25 HP to 40 HP Digital AC Drive Repair: Call for price
Emerson 6230-8220 Eclipse 2 15 HP to 25 HP Digital AC Drive Repair: Call for price
Emerson 6230-8402 Eclipse 1 20 HP to 30 HP Digital AC Drive Repair: 1,908.00
Emerson 6230-8401 Eclipse 1 15 HP to 20 HP Digital AC Drive Repair: 1,640.00
Emerson 6230-8400 Eclipse 1 7.5 HP to 15 HP Digital AC Drive Repair: 1,220.00
Emerson 6230-8202 Eclipse 1 10 HP to 15 HP Digital AC Drive Repair: Call for price
Emerson 6230-8201 Eclipse 1 7.5 HP to 10 HP Digital AC Drive Repair: Call for price
Control Techniques DIN1220037 Digital AC Micro Drive 0.5 HP Repair: Call for price
Control Techniques DINVERTER Digital AC Micro Drive 0.5 HP Repair: 740.00
Allen Bradley 1336S-AQF50-AA-EN4-L4 1336 Adjustable AC Drive 5 HP 230V Repair: Call for price
Dayton 1XC95A 1HP 200V to 230V AC 3 Phase Inverter Repair: 384.00
Saftronics CIMR-H110B.D17 150 HP Varispeed 616 HII AC Drive Repair: Call for price
Yaskawa CIMR-H110B.D17 150 HP Varispeed 616 HII AC Drive Repair: Call for price
AC Technology V14007AB V 0.75HP 460 AC Drive Repair: 400.00
Lenze 33.8102_E 8100 5Amp Inverter Repair: 1,356.00
AC Technology V14007TA V 0.75HP 460 AC Drive Repair: 540.00
AC Technology V14007A V 0.75HP 460 AC Drive Repair: 552.00
Sumitomo AF503-132 Smac-Pac AC Inverter 175HP 380VAC 50Hz Repair: Call for price
Sumitomo AF503-110 Smac-Pac AC Inverter 150HP 380VAC 50Hz Repair: Call for price
Sumitomo AF503-090 Smac-Pac AC Inverter 125HP 380VAC 50Hz Repair: Call for price
Sumitomo AF503-075 Smac-Pac AC Inverter 100HP 380VAC 50Hz Repair: Call for price
Sumitomo AF503-055 Smac-Pac AC Inverter 75 HP 380VAC 50Hz Repair: Call for price
Sumitomo AF503-045 Smac-Pac AC Inverter 60HP 380VAC 50Hz Repair: Call for price
Sumitomo AF503-037 Smac-Pac AC Inverter 50HP 380VAC 50Hz Repair: Call for price
Sumitomo AF503-030 Smac-Pac AC Inverter 40HP 380VAC 50Hz Repair: Call for price
Sumitomo AF503-022 Smac-Pac AC Inverter 30HP 380VAC 50Hz Repair: Call for price
Sumitomo AF503-015 Smac-Pac AC Inverter 20 HP 380VAC 50Hz Repair: Call for price
Sumitomo AF503-011 Smac-Pac AC Inverter 15 HP 380VAC 50Hz Repair: Call for price
Sumitomo AF503-7A5 Smac-Pac AC Inverter 10 HP 380VAC 50Hz Repair: Call for price
Sumitomo AF503-5A5 Smac-Pac AC Inverter 7.5 HP 380VAC 50Hz Repair: Call for price
Sumitomo AF503-3A7 Smac-Pac AC Inverter 5 HP 380VAC 50Hz Repair: Call for price
Sumitomo AF503-2A2 Smac-Pac AC Inverter 3 HP 380VAC 50Hz Repair: Call for price
Sumitomo AF503-1A5 Smac-Pac AC Inverter 2 HP 380VAC 50Hz Repair: Call for price
Sumitomo AF504-132 Smac-Pac AC Inverter 200HP 460VAC Repair: Call for price
Sumitomo AF504-110A Smac-Pac AC Inverter 200HP 460VAC Repair: Call for price
Sumitomo AF504-110 Smac-Pac AC Inverter 150HP 460VAC Repair: Call for price
Sumitomo AF504-090A Smac-Pac AC Inverter 150HP 460VAC Repair: Call for price
Sumitomo AF504-090 Smac-Pac AC Inverter 125HP 460VAC Repair: Call for price
Sumitomo AF504-075A Smac-Pac AC Inverter 125HP 460VAC Repair: Call for price
Sumitomo AF504-075 Smac-Pac AC Inverter 100HP 460VAC Repair: Call for price
Sumitomo AF504-055 Smac-Pac AC Inverter 75 HP 460VAC Repair: Call for price
Sumitomo AF504-045 Smac-Pac AC Inverter 60HP 460VAC Repair: Call for price
Sumitomo AF504-037 Smac-Pac AC Inverter 50HP 460VAC Repair: Call for price
Sumitomo AF504-030A Smac-Pac AC Inverter 50HP 460VAC Repair: Call for price
Sumitomo AF504-030 Smac-Pac AC Inverter 40HP 460VAC Repair: Call for price
Sumitomo AF504-022 Smac-Pac AC Inverter 30HP 460VAC Repair: Call for price
Sumitomo AF504-015 Smac-Pac AC Inverter 20 HP 460VAC Repair: Call for price
Sumitomo AF504-011 Smac-Pac AC Inverter 15 HP 460VAC Repair: 2,736.00
Sumitomo AF504-7A5 Smac-Pac AC Inverter 10 HP 460VAC Repair: 1,744.00
Sumitomo AF504-5A5 Smac-Pac AC Inverter 7.5 HP 460VAC Repair: 1,652.00
Sumitomo AF504-3A7 Smac-Pac AC Inverter 5 HP 460VAC Repair: Call for price
Sumitomo AF504-2A2 Smac-Pac AC Inverter 3 HP 460VAC Repair: 1,284.00
Sumitomo AF504-1A5 Smac-Pac AC Inverter 2 HP 460VAC Repair: 1,264.00
Sumitomo AF502-045 Smac-Pac AC Inverter 60HP 230VAC Repair: Call for price
Sumitomo AF502-037 Smac-Pac AC Inverter 50HP 230VAC Repair: Call for price
Sumitomo AF502-030 Smac-Pac AC Inverter 40HP 230VAC Repair: Call for price
Sumitomo AF502-022 Smac-Pac AC Inverter 30HP 230VAC Repair: Call for price
Sumitomo AF502-015 Smac-Pac AC Inverter 20 HP 230VAC Repair: Call for price
Sumitomo AF502-011 Smac-Pac AC Inverter 15 HP 230VAC Repair: Call for price
Sumitomo AF502-7A5 Smac-Pac AC Inverter 10 HP 230VAC Repair: 1,580.00
Sumitomo AF502-5A5 Smac-Pac AC Inverter 7.5 HP 230VAC Repair: 1,920.00
Sumitomo AF502-3A7 Smac-Pac AC Inverter 5 HP 230VAC Repair: 1,224.00
Sumitomo AF502-2A2 Smac-Pac AC Inverter 3 HP 230VAC Repair: Call for price
Sumitomo AF502-1A5 Smac-Pac AC Inverter 2 HP 230VAC Repair: 996.00
Sumitomo AF502-A75 Smac-Pac AC Inverter 1 HP 230VAC Repair: 1,016.00
Sumitomo AF502-A40 Smac-Pac AC Inverter 0.5 HP 230VAC Repair: 748.00
Boston Gear ACE-T-460V-3P-5HP Ratiotrol AC Inverter 3 Phase 460V 5 HP Repair: 720.00
Boston Gear ACE-T-460V-3P-3HP Ratiotrol AC Inverter 3 Phase 460V 3 HP Repair: Call for price
Boston Gear ACE-T-460V-3P-2HP Ratiotrol AC Inverter 3 Phase 460V 2 HP Repair: 1,100.00
Boston Gear ACE-T-460V-3P-1HP Ratiotrol AC Inverter 3 Phase 460V 1 HP Repair: Call for price
Boston Gear ACE-T-230V-3P-3HP Ratiotrol AC Inverter 3 Phase 230V 2 HP Repair: Call for price
Boston Gear ACE-T-230V-3P-2HP Ratiotrol AC Inverter 3 Phase 230V 2 HP Repair: Call for price
Boston Gear ACE-T-230V-3P-1HP Ratiotrol AC Inverter 3 Phase 230V 1 HP Repair: Call for price
Boston Gear ACE-T-230V-3P-0.5HP Ratiotrol AC Inverter 3 Phase 230V 0.5 HP Repair: Call for price
Lenze 744/7041 9.5 Amp AC Inverter Motor Control Repair: 1,228.00
Lenze 744/7042 9.5Amp AC Inverter Motor Control Repair: 1,108.00
Lenze 744 9.5Amp AC Inverter Motor Control Repair: 872.00
Eaton Dynamatic AF-160302-0480 1600 3 HP 480V Adjustable Frequency Drive Repair: 1,336.00
SECO VC150D VC 3 HP 230V AC Adjustable Drive Repair: Call for price
SECO VC75D VC 1 HP 230V AC Adjustable Drive Repair: 716.00
Danfoss 175H1735 VLT 3000 AC Drive Type 3003 Repair: 848.00
Zener MSC-L17 17 Amp AC Drive Repair: 1,140.00
Zener MSC-L10 10 AMP AC Drive Repair: 1,068.00
Zener MSC-R24 24 Amp AC Drive Repair: 1,312.00
Zener MSC-R17 17 Amp AC Drive Repair: 1,140.00
Zener MSC-R13 13 Amp AC Drive Repair: 1,128.00
Zener MSC-M17 17 Amp AC Drive Repair: 660.00
Zener MSC-M13 13 Amp AC Drive Repair: 636.00
Zener MSC-M10 10 AMP AC Drive Repair: 1,068.00
Zener MSC-M5 5.2 Amp AC Drive Repair: 868.00
Zener MSC-M4 4 Amp AC Drive Repair: 456.00
Zener MSC-M3 3 Amp AC Drive Repair: 640.00
Zener MSC-S7 7 Amp AC Drive Repair: 964.00
Zener MSC-S5 5.2 Amp AC Drive 110VAC Input Repair: 868.00
Zener MSC-S4 4 Amp AC Drive Repair: 892.00
Zener MSC-S3 3 Amp AC Drive Repair: 844.00
Toshiba VFSX-2007UP VF-SX Drive 208V 3Ph 0.75kW Repair: 624.00
7694 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