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
Reliance Electric 75R4140 75HP 460V AC Drive Repair: Call for price
Reliance Electric 6V41-077TA 60HP 460V AC Drive Repair: 2,840.00
Reliance Electric 6V41-040TA 30HP 460V AC Drive Repair: 2,424.00
Reliance Electric 6V41-034TB 25HP 460V AC Drive Repair: 2,424.00
Reliance Electric 6V41-034TA 25HP 460V AC Drive Repair: 2,328.00
Reliance Electric 6SP44X-2P1CTNN 1HP AC Drive Repair: 756.00
Reliance Electric 6SP44X-034CTAN 25HP AC Drive Repair: 1,768.00
Reliance Electric 6SP44X-027CTAN 20HP AC Drive Repair: 1,776.00
Reliance Electric 6SP44X-008CTNN 5HP AC Drive Repair: 864.00
Reliance Electric 6SP41F-3P4BTNN 2HP AC Drive Repair: 716.00
Reliance Electric 6SP41F-2P1BTNN 1HP AC Drive Repair: 668.00
Reliance Electric 6SP41F-1P1BTNN .5HP AC Drive Repair: 660.00
Reliance Electric 6SP41F-027BTAN 20HP AC Drive Repair: 1,708.00
Reliance Electric 6SP41F-022BTAN 15HP AC Drive Repair: 1,508.00
Reliance Electric 6SP41F-014BTAN 10HP AC Drive Repair: 1,132.00
Reliance Electric 6SP41F-011BTAN 7.5HP AC Drive Repair: 1,056.00
Reliance Electric 6SP41F-008BTNN 5HP AC Drive Repair: 860.00
Reliance Electric 6SP41F-005BTNN 3HP AC Drive Repair: 808.00
Reliance Electric 6SP401-3P4BTNN 2HP AC Drive Repair: 716.00
Reliance Electric 6SP401-2P1BTNN 1HP AC Drive Repair: 652.00
Reliance Electric 6SP401-1P1CTNN .5HP AC Drive Repair: 724.00
Reliance Electric 6SP401-1P1BTNN .5HP AC Drive Repair: 624.00
Reliance Electric 6SP401-065CTAN 50HP AC Drive Repair: 2,556.00
Reliance Electric 6SP401-052CTAN 40HP AC Drive Repair: 2,220.00
Reliance Electric 6SP401-034BTNN 25HP AC Drive Repair: 1,888.00
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