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
Siemens 6SL3210-1KE12-3AF2 SINAMICS G120C AC Inverter 380-480V 3Ph, 0.75kW, 1Hp, PROFINET, EtherNet/IP, Fil Repair: 572.00
ABB ACH550-UH-015A-4 Adjustable Frequency AC Drive 380-480V 15.4A 10HP Repair: 864.00
Allen Bradley 22C-D142A103 /A Powerflex 400 Drive 480V, 142 Amp, 100HP / 75 kW Repair: 6,016.00
AC Technology M14500D MC Series AC Drive 460V, 50HP 75/65 Amp Repair: Call for price
Powertec C0031.N4CH000 Brushless DC Motor Speed Controlller Repair: 2,716.00
Electromotive Systems 460AFD20-G+ Impulse G+ Motor Drive 460V, 36 A, 20HP Repair: 3,204.00
Mitsubishi FR-D720S-070-NA 2HP 230V 1-Phase D700 VFD Drive Repair: Call for price
Mitsubishi FR-Z320-3.7K-U2 Freqrol Z300 Inverter 5HP 230V 17A Repair: Call for price
GE Fanuc A60B-6060-H007 AC Spindle Drive Unit Repair: Call for price
Teco-Westinghouse L510-201-H3-U Variable Frequency Drive 1HP 230v 3 phase 4.3A Repair: Call for price
Electromotive Systems 460AFD10-G+ Impulse G+ Adjustable Frequency Motor Control Repair: 1,804.00
Franklin Electric 5870203110 MonoDrive NEMA 1, 2.2 kW, 3/4-1 HP Repair: 1,252.00
Franklin Electric 5870203223 SubDrive2W 6kW NEMA 3R Repair: 1,804.00
Franklin Electric 5870206300 SubDrive300 11kW NEMA 1 Repair: 3,104.00
Franklin Electric 5870204154 SubDrive150 7kW NEMA 4 1.5-3 Hp Repair: 2,104.00
Franklin Electric 5870204104 SubDrive100 6kW NEMA 4 Repair: 1,804.00
Franklin Electric 5870204100 SubDrive100 6kW NEMA 1 Repair: 1,804.00
Franklin Electric 5870203384 SubDrive75 3.5kW NEMA 4 Repair: 1,404.00
Franklin Electric 5870203380 SubDrive75 3.5kW NEMA 1 Repair: 1,404.00
AC Technology Q24005E QC SERIES 5HP VARIABLE SPD AC MTR DRIVE Repair: 992.00
Johnson Controls AYK550-UH-038A-4+K465 VFD 25 HP 460VAC 18.7kW Repair: 2,148.00
Lenze ESV371N01SXC AC Drive 0.5 HP, 120 to 240 VAC Repair: 524.00
Danfoss 195Nxxxx VLT 2800 Series AC Drive Repair: Call for price
Delta Electronics VFD022B21A Variable Frequency Drive output 3 phase 0-240v 11A 3ph NEMA 1 enclosure Repair: Call for price
Delta Electronics DTR015S21A Variable Frequency Drive 3ph output 0-240v 5A 3HP Repair: Call for price
7697 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