I tried to flash the Firmware so many times eventually my pump went to unknown USB device mode and i lost the control of it. with old XP laptop + DIY USB cable + LPT flasher, my pump lives again, better than ever. Thank you.

I have few years old Aquastream XT Ultra with firmware 1009 it has been working great over the years, now i got new Aquaero to upgrade the XT firmware. upgrade fails somehow. I also bought the LPT flasher justincase. i dont have any PC with LPT port yet to use it. Aquaero says Not connected. in aquastream page, i dont know why. It's connected with aquabus cable. should i unplug USB from Aquastream XT to let Aquaero control it? The green bar takes almost 5 minutes to fill then in the end the Erro...