Lost communication with MCU and MCU 'mcu' shutdown: Timer too close

[EddyMI3D]

Hello @MikiFX !

You may have a look on these:

Timer too close

Background This error typically occurs when the host sends a message to the MCU, scheduling an event at a time that is in the past. Reasons High system load of the host High disk activity of the host Swapping due to low free memory Disk errors / dying SD card Unstable voltage Other hardware hogging the USB bus or other system resources Running in a Virtual Machine USB, UART or CANBUS wiring faults leading to extremely delayed messages ElectroMagnetic Interference (EMI) affecting proper signa…

Timeout with MCU / Lost communication with MCU

Timeout with MCU / Lost communication with MCU Background This error occurs when the Klipper Host receives no response for its “heart beat” request or other commands for several seconds. This error often appears in conjunction with the Got EOF when reading from device errors Reasons Unreliable connection between the printer-board and the MCU Inadequate / over-loaded power supply of either the host or the main power supply Loose connectors / crimping connections or damaged cables Incorrectl…