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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7697 Items Found
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Mfg. Mfg. Part Num. Description Prices
Siemens 6SL3210-1KE21-7AP1 SINAMICS G120C AC Inverter 380-480V 3Ph, 7.5kW, 10Hp, PROFIBUS DP, Filter Repair: 1,016.00
Siemens 6SL3210-1KE21-7AB1 SINAMICS G120C AC Inverter 380-480V 3Ph, 7.5kW, 10Hp, USS, Modbus RTU, Filter Repair: 996.00
Siemens 6SL3210-1KE21-3AF1 SINAMICS G120C AC Inverter 380-480V 3Ph, 5.5kW, 7.5Hp, PROFINET, EtherNet/IP, Fi Repair: 848.00
Siemens 6SL3210-1KE21-3AP1 SINAMICS G120C AC Inverter 380-480V 3Ph, 5.5kW, 7.5Hp, PROFIBUS DP, Filter Repair: 836.00
Siemens 6SL3210-1KE21-3AB1 SINAMICS G120C AC Inverter 380-480V 3Ph, 5.5kW, 7.5Hp, USS, Modbus RTU, Filter Repair: 804.00
Siemens 6SL3210-1KE18-8AF1 SINAMICS G120C AC Inverter 380-480V 3Ph, 4kW, 5Hp, PROFINET, EtherNet/IP, Filter Repair: 752.00
Siemens 6SL3210-1KE18-8AP1 SINAMICS G120C AC Inverter 380-480V 3Ph, 4kW, 5Hp, PROFIBUS DP, Filter Repair: 768.00
Siemens 6SL3210-1KE18-8AB1 SINAMICS G120C AC Inverter 380-480V 3Ph, 4kW, 5Hp, USS, Modbus RTU, Filter Repair: 712.00
Siemens 6SL3210-1KE17-5AF1 SINAMICS G120C AC Inverter 380-480V 3Ph, 3kW, 4Hp, PROFINET, EtherNet/IP, Filter Repair: 664.00
Siemens 6SL3210-1KE17-5AP1 SINAMICS G120C AC Inverter 380-480V 3Ph, 3kW, 4Hp, PROFIBUS DP, Filter Repair: 664.00
Siemens 6SL3210-1KE17-5AB1 SINAMICS G120C AC Inverter 380-480V 3Ph, 3kW, 4Hp, USS, Modbus RTU, Filter Repair: 632.00
Siemens 6SL3210-1KE15-8AF2 SINAMICS G120C AC Inverter 380-480V 3Ph, 2.2kW, 3Hp, PROFINET, EtherNet/IP, Filt Repair: 576.00
Siemens 6SL3210-1KE15-8AP2 SINAMICS G120C AC Inverter 380-480V 3Ph, 2.2kW, 3Hp, PROFIBUS DP, Filter Repair: 588.00
Siemens 6SL3210-1KE15-8AB2 SINAMICS G120C AC Inverter 380-480V 3Ph, 2.2kW, 3Hp, USS, Modbus RTU, Filter Repair: 508.00
Siemens 6SL3210-1KE14-3AF2 SINAMICS G120C AC Inverter 380-480V 3Ph, 1.5kW, 2Hp, PROFINET, EtherNet/IP, Filt Repair: 516.00
Siemens 6SL3210-1KE14-3AP2 SINAMICS G120C AC Inverter 380-480V 3Ph, 1.5kW, 2Hp, PROFIBUS DP, Filter Repair: 528.00
Siemens 6SL3210-1KE14-3AB2 SINAMICS G120C AC Inverter 380-480V 3Ph, 1.5kW, 2Hp, USS, Modbus RTU, Filter Repair: 492.00
Siemens 6SL3210-1KE13-2AF2 SINAMICS G120C AC Inverter 380-480V 3Ph, 1.1kW, 1.5Hp, PROFINET, EtherNet/IP, Fi Repair: 488.00
Siemens 6SL3210-1KE13-2AP2 SINAMICS G120C AC Inverter 380-480V 3Ph, 1.1kW, 1.5Hp, PROFIBUS DP, Filter Repair: 488.00
Siemens 6SL3210-1KE13-2AB2 SINAMICS G120C AC Inverter 380-480V 3Ph, 1.1kW, 1.5Hp, USS, Modbus RTU, Filter Repair: 488.00
Siemens 6SL3210-1KE12-3AP2 SINAMICS G120C AC Inverter 380-480V 3Ph, 0.75kW, 1Hp, PROFIBUS DP, Filter Repair: 460.00
Siemens 6SL3210-1KE12-3AB2 SINAMICS G120C AC Inverter 380-480V 3Ph, 0.75kW, 1Hp, USS, Modbus RTU, Filter Repair: 460.00
Siemens 6SL3210-1KE11-8AF2 SINAMICS G120C AC Inverter 380-480V 3Ph, 0.55kW, 0.75Hp, PROFINET, EtherNet/IP, Repair: 432.00
Siemens 6SL3210-1KE11-8AP2 SINAMICS G120C AC Inverter 380-480V 3Ph, 0.55kW, 0.75Hp, PROFIBUS DP, Filter Repair: 432.00
Siemens 6SL3210-1KE11-8AB2 SINAMICS G120C AC Inverter 380-480V 3Ph, 0.55kW, 0.75Hp, USS, Modbus RTU, Filter Repair: 432.00
7697 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