However, when connecting ESC to AUX Ports of Cube Black, the Cube didn’t boot completely most of the time and Ardupilot didn’t start at all!!! Specifically, the orange LED of the Cube Black flashed continuously, and then when I connected the USB cable it mounted a different COM Port (COM8) instead of COM9 (when it boots normally).
Additionally, the Cube will boot normally all the time when I remove ESC connections to AUX Port or when I connect it to Main Port to use PWM. I tried two Cube Black and two ESC units but I still have the same issue.
Could anyone give me some suggestions or show me how to find the error during booting of the Cube? I would very much appreciate any help/comment!
Thanks for your comment! Is it possible to see any error message while the Cube is blinking orange continuously? Is there a boot log or something similar so that I can check why it didn’t boot up normally?
If it’s blinking, that’s the FMU B/E led indicating it’s in bootloader mode, so no firmware is running and you have nothing to connect mission planner to.
That KISS is doing something to the FMU it’s directly connected to (AUX pins) to keep it in BL state. So it’s hardware.
@nghianguyen: Did you load 4.0 and update bootloader ? Can you post a picture of your wiring ? Do you have a multimeter handy ?
I cannot connect to MP. The Cube is recognized with different COM port than when it boots normal (COM8 instead of COM9) and MP didn’t recognize it. So I have the same thinking with @ThePara as the Cube was kept in bootloader mode (blinking orange forever).
I have the same thinking as you said that the Cube was kept in bootloader because KISS signal pins are connected to FMU pins directly. I haven’t tried 4.0 Firmware, I used Copter 3.6.12 last time.
Pin 1,2,3,4 of KISS are wired directly to AUX OUT1,2,3,4 of Cube Black.
TLM and GND are wired to Serial 2 of Cube Black (doesn’t matter because the issue still exists with/without this connection)
4s battery powers KISS ESC, and Mauch Power Module that powers that Cube.
How can I update the bootloader? Is it included when I flash 4.0 firmware via MP as normal process?
Yes my Cube also stuck at boot up, quite similar but mine with ArduCopter 3.6.12 and Cube was blinking orange continuously and no sound from buzzer. How did you solve your problem?
Hey @nghianguyen
My cube was fine after reboot. But it does happen ones in a while randomly. I’m wondering whether it has anything related to io line. Because both of us are using dshot.
Hi,
Yeah I have a quite similar situation! Sometimes after I reconnect the battery( power cycle) the Cube did booted up normally! But for about 10 attempts I will have 1,2 times that it boots normally, and most of the time the Cube stucks at booting with orange light flashing.