58 HyTechWorks©2013 – V3.1
update.
Firmware Recovery
For any reason that HyCncFlash.exe fails to run properly in normal mode,
firmware recovery need to be performed to force re-programming a correct
firmware that can recover the normal working condition. First, disconnect
HyCNC-4P from the PC’s USB. Then connect a 7-10V DC voltage source (i.e. using
a 9V battery) between EStop (pin 10) and the ground (pin 18-25), as shown in the
following drawing.
Connect HyCNC-4P to PC USB. If the firmware update mode USB driver has not
been installed, the driver install process starts automatically (described in the last
section). After the driver is installed, run HyCncFlash.exe to normally. After
update process starts, the external DC voltage source can be removed. After
updating process is finished, the HyCNC-4P should work properly.
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