February 1, 2018

Siemens Robicon Perfect Harmony GH180 Power Cell Repair and Test

Video showing a Siemens Robicon GH180 Prefect Harmony power cell being run on load after a successful repair.

October 29, 2019

Schneider ATV1200 Power Module Repair and Test

Video showing a Schneider Altivar ATV1200 power module being run on the bench after a successful repair.

October 29, 2019

Leader and Harvest Power Module Repair and Test

Video showing a Leader and Harvest power module being run on the bench after a successful repair.

September 24, 2019

Hiconics Power Cell Repair and Test

Video showing a Hiconics power cell being run on the bench after a successful repair.

CHB Power Cell / Module Repair and Refurbishment

We repair, refurbish and test medium voltage drive power cells and modules. CHB have in house developed cell testers that allow for a full functional and load test of the power cell outside of the drive. All power cell repairs and refurbishments come with a one year warranty.


Individual cell control boards can be repaired such as the Siemens Robicon Prefect Harmony A1A10000432.71, A1A10000432.72, A1A10000432.xx boards. We can repair the following faults - Link Fault, Control Power Fault, Cap Share Fault, Under Voltage Fault, Over Voltage Fault, plus more. There is no need to send us the complete power cell for repair if you know the fault is in the cell control board.


Our Engineers are IPC-7711/7721 Rework, Modification and Repair Of Electronic Assemblies Application Specialists (CIS). Recertification is done every two years.


We can repair and test the following brands of power cells and modules Siemens GH180 Perfect Harmony, Schneider ATV1200, Leader and Harvest, Hiconics, Rockwell, RXPE, Hitachi, Toshiba, Delta and Yaskawa.