HPU-03 pump firmware update

The HPU-03 hydraulic pump can be updated with a USB-B cable and a windows computer.

Please select one of the versions of firmware matching your hardware.

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For the HPU-03 boxes equipped with a brushed motor : the current firmware version is 1.06

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For the more recent HPU-03 equipped with a brushless motor, the current firmware version is 4.04_avec_tempo. Depending on the hydrogenerator model, you might need the RS485 software to adjust parameters like maximum pressure after firmware update

See this page

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 Firmware update steps :

• The pump must be powered during this operation
• plug the USB cable to the computer
• if needed please downloard the VCP drivers provided by FTDI
• retrieve the COM number assigned to the pump in Windows Devices Manager
• unzip the firmware files on desktop (otherwise it could lead to failure in case of specials characters in the DOS path of another folder)
• launch the .BAT file with double-clicking it
• enter the full name of serial port : example > "COM6"
• wait for the update
• in case of succes you will see a screen like below.

Known failures :

• if timeout message is displayed several times, it menas that the computer can not find the pump. It can happen if the COM number is wrong or not formatted as requested (= "COMxx") . Otherwise it could mean that the bootloader is corrupted : the device need to be reprogrammed in factory : please contact us.