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GV3000/SE Regulator Board PCB 56921-601 HP | Image
2 year warranty

GV3000/SE Regulator Board PCB 56921-601 HP | Image
GV3000/SE Regulator Board PCB 56921-601 HP | Image


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GV3000/SE Regulator Board PCB 56921-601 HP



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  • Part Number: 0-56921-601
  • SKU: 056921601RE
  • Manufacturer: Reliance Electric
  • Series: GV3000 Drives

0-56921-601 Technical Specifications

Manufacturer Reliance Electric
Series GV3000
Part Number 0-56921-601

Product Description

The 0-56921-601 is a PC Regulator Board. It was created to go into a Reliance Electric GV3000/SE drive controller. There is a good chance that this board was also sold by ABB and Baldor Reliance under their specific product lines.

The 0-56921-601 is the sixth version of this board from Reliance and it is meant to be a replacement board. This board has the ability to be placed on a wide range of controllers ranging from 1-200HP and 230/460VAC.

This board is typically mounted below the keypad into a bracket on the controller. There is a green-striped ribbon cable that plugs into the board that is located on the right side of the drive and another ribbon cable that plugs into the current feedback board. When you are swapping out an old regulator for this board, it is important to make a notation of the jumper settings so that you can use those same settings on the new board. When you slide the board into the mounting bracket, it is necessary for you to position the 7-segment LED display on the regulator board into the display window on the keypad. Once it is in the proper location, you can then use the fasteners from the old board to secure the new board into place.

The main components on this board are the 7-segment user display, a 26-pin ribbon cable connection, a 37-pin ribbon cable connection, the J17 and J14 jumpers, a user I/O terminal strip, and an RS-232 connection. Because of all of the sensitive circuitry in the controller, it is important to always wear an anti-static wristband.

Frequently Asked Questions about 0-56921-601

What is the installation process for the 0-56921-601?
To install the 0-56921-601 GV3000 regulator board please proceed with the following steps. These can also be found in the 0-56921-601 manual. 
  • Disconnect the defective regulator board under the keypad and reconnect the 0-56921-601 to the keypad and power board via the connected ribbon cables. Make sure the on board jumpers or dip switches are set appropriately
  • Set the Power Module Indentification to match the drive in which it is installed. For instance, parameter P.998 on a 10V4160 would be 4.010, indicating 460VAC Voltage and 10HP Horsepower
  • Finally, input the application specific parameters into the 0-56921-601. 
Which Reliance Electric GV3000/SE drives can the 0-56921-601 be installed in?
The 0-56921-601 will work for all Nema Style version 6.0 drives under 200HP as well as the Power Module style GV3000 drives 30-200HP. 
What are common fault codes or error codes displayed on the 0-56921-601? Can AX Control help troubleshoot my drive?
Although there are quite a few faults that can occur and be displayed on the 0-56921-601 GV3000 regulator board, some occur much more commonly than others and are easy to remedy. Common 0-56921-601 fault codes include:
  • FL (Function Loss) 
  • OC (OverCurrent) 
  • LU (Low Bus Voltage

Repair Services For 0-56921-601

Type Lead Time Price Action
Repair Service 1-2 weeks $1024

Our highly skilled technicians can repair your 0-56921-601. All of our repairs come with a 3 Year AX Control Warranty. Please contact us for additional information about our repair process. To receive the repair pricing and lead time listed above please process your repair order via our website. The following repair options may be available upon request:

  • 48-72hr Rush Repair
  • Detailed Repair Reports
  • AX Control Certificate of Warranty

AX Control Warranty Info

All products we sell are backed by our unparalleled warranty. A warranty certificate will be provided with your order upon request.
All PLCs, HMIs, and Turbine Control Boards: 3 Years
All AC/DC and Servo Drives: 2 Years
All Motors: 1 Year
Learn More

0-56921-601 Manuals, White Papers, Data Sheets, and Troubleshooting