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mcu: Unable to connect
Thanks to blacksmithforlife us’ FAQ’s I’ve definitely made some progress. Windows 10 laptop is now talking to Raspberry Pi 3 B+ flashed with RatOS 2.0.0, and Mainsail is talking to Moonraker. All software components have been updated to the latest versions, so it appears something is connected to the Internet via WiFi. Making progress!
Moonraker is not talking to Klipper however. On the laptop’s RatOS DASHBOARD, it says, “Printer is not ready. The klippy host software is attempting to connect.” Then, a few seconds later, “Klipper reports: ERROR” and “mcu ‘mcu’: Unable to connect.” Octopus Pro has four tiny LED’s: POWER (steady red), MOTOR POWER (steady green), another steady red not labelled, and a very rapidly (~3fps?) flashing red STATUS light. As advised somewhere “official”, there are no cables plugged into the Octopus except power and the USB-C >< USB-A cable (Pi end).
This printer is a standard Rat-Rig V-Core 3 500 kit. It’s my first 3D printer, but my 2nd major “mechatronic” project in my retirement. The 1st was a 3-axis CNC milling machine, which is working OK except for a noisy spindle motor bearing.
Any & all help is appreciated to fix this “mcu: Unable to connect” problem. Happy to buy pizza and beer! THANKS!
Moonraker is not talking to Klipper however. On the laptop’s RatOS DASHBOARD, it says, “Printer is not ready. The klippy host software is attempting to connect.” Then, a few seconds later, “Klipper reports: ERROR” and “mcu ‘mcu’: Unable to connect.” Octopus Pro has four tiny LED’s: POWER (steady red), MOTOR POWER (steady green), another steady red not labelled, and a very rapidly (~3fps?) flashing red STATUS light. As advised somewhere “official”, there are no cables plugged into the Octopus except power and the USB-C >< USB-A cable (Pi end).
This printer is a standard Rat-Rig V-Core 3 500 kit. It’s my first 3D printer, but my 2nd major “mechatronic” project in my retirement. The 1st was a 3-axis CNC milling machine, which is working OK except for a noisy spindle motor bearing.
Any & all help is appreciated to fix this “mcu: Unable to connect” problem. Happy to buy pizza and beer! THANKS!
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