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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7698 Items Found
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Mfg. Mfg. Part Num. Description Prices
Allen Bradley 25B-B8P0N104 PowerFlex 525 AC Drive, 3Ph, 240V, 2 HP Repair: 648.00
Allen Bradley 25B-B5P0N104 PowerFlex 525 AC Drive, 3Ph, 240V, 1 HP Repair: 572.00
Allen Bradley 25B-B2P5N104 PowerFlex 525 AC Drive, 3Ph, 240V, 0.5 HP Repair: 572.00
Allen Bradley 25B-A011N114 PowerFlex 525 AC Drive, 1Ph, 240V, 3 HP EMC Repair: 600.00
Allen Bradley 25B-A8P0N114 PowerFlex 525 AC Drive, 1Ph, 240V, 2 HP EMC Repair: 572.00
Allen Bradley 25B-A4P8N114 PowerFlex 525 AC Drive, 1Ph, 240V, 1 HP EMC Repair: 572.00
Allen Bradley 25B-A2P5N114 PowerFlex 525 AC Drive, 1Ph, 240V, 0.50 HP EMC Repair: 572.00
Allen Bradley 25B-A011N104 PowerFlex 525 AC Drive, 1Ph, 240V, 3 HP Repair: 576.00
Allen Bradley 25B-A8P0N104 PowerFlex 525 AC Drive, 1Ph, 240V, 2 HP Repair: 572.00
Allen Bradley 25B-A4P8N104 PowerFlex 525 AC Drive, 1Ph, 240V, 1 HP Repair: 572.00
Allen Bradley 25B-A2P5N104 PowerFlex 525 AC Drive, 1Ph, 240V, 0.50 HP Repair: 524.00
Allen Bradley 25B-V6P0N104 PowerFlex 525 AC Drive, 1Ph, 120V, 1.5 HP Repair: 596.00
Allen Bradley 25B-V4P8N104 PowerFlex 525 AC Drive, 1Ph, 120V, 1 HP Repair: 572.00
Allen Bradley 25B-V2P5N104 PowerFlex 525 AC Drive, 1Ph, 120V, 0.50 HP Repair: 572.00
Allen Bradley 25B-D4P0N104 525 Series Powerflex Variable Frequency Drive 2HP 1.5kW 380-480v 3ph no filter Repair: 576.00
Franklin Electric 5870204150 SubDrive 150 7kW VFD Drive 230vac 80hz 3 phase 3HP NEMA 4 Submersible Motor Drive Repair: 2,104.00
Yaskawa CIMR-VMS20112-XXXX 626VM3 Series Varispeed Drive Repair: Call for price
Yaskawa 71616-G3U40371 G3 AC Variable Frequency Drive with Keypad 50HP 460VAC Repair: Call for price
KEB Electronic 13 F4 C3D-4000 F4 Combivert Motor Drive,5.5 kW Repair: 1,808.00
Mitsubishi FRA840006201N6 40HP & 30HP 460V MITSUBISHI VFD, INVERTER, AC DRIVE FR-A840-00620-1-N6 Repair: Call for price
Danfoss FC-102P11KT4E20H2XGXXXXS015XAXBXCXXXXDX VLT HVAC Drive 11kW 15HP 24AMP 460V Repair: 1,444.00
Yaskawa CIMR-AT4A0072AAA A1000 AC Drive with Keypad 37kW 400VAC Repair: 2,876.00
AC Technology Q24005C 480 Volt 5 HP Variable Speed AC Motor Drive NEMA 4X Repair: 1,232.00
AC Technology MH2300B MC Drive Input 240V 3 Phase Repair: Call for price
Danfoss FC-102P22KT4E20H2XGXXXXSXXXXAXBXCXXDX VLT HVAC Drive 22kW 30HP 36A IN 44A OUT 460V Repair: 2,200.00
7698 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