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Lost Communication with MCU
Hi Gents, got an issue that I'm chasing and I could use some guidance on how to track down the offending piece of hardware.
So I built my V-Core 4 300 Hybrid about 6 months ago, spent a lot of time getting it adjust and tuned, and had it working really well. In addition to the stock parts, I have 6mm PC enclosure panels, a RatPack filter, and my custom Pi HAT (5V power, cooling fan, and USB 2.0 hub). The problem I am facing is that I have added a RatRoaster chamber heater, and when the chamber gets up to temperature (50C is the temperature I've been trying for), the machine shuts down with the error "Lost Communication with MCU", and usually says "Lost Communication with MCU Beacon". However, I have gotten slightly different errors, such as "Lost Communication with MCU toolboard t0", and "Lost Communication with MCU BTT Octopus". Once the chamber cools down slightly, restarting the machine works and the error has disappeared.
The sequence of events goes like this:
1. Begin print with the chamber temperature in the print set to 50C.
2. RatRoaster comes on and begins heating the chamber, the RatRoaster heater core temperature is set to be limited to 115C (same as the bed), and chamber temperature is set to 50C. At this time, RatOS brings the bed to a z-height of about 150mm (middle of the chamber).
3. Once the chamber reaches 50C, RatOS beings the bed down to 100C (the temperature for the print, I'm using ABS), brings the heater core temperature setpoint down to 75C, and raises the extruder to 150C.
4. RatOS begins heat soaking the bed for 15 minutes. This brings the z-height up to 5mm, this is supposed to help heat up the Beacon.
5. The machine generally shuts down during the 15-minute soak period with the above errors.
[More info in next comment]
So I built my V-Core 4 300 Hybrid about 6 months ago, spent a lot of time getting it adjust and tuned, and had it working really well. In addition to the stock parts, I have 6mm PC enclosure panels, a RatPack filter, and my custom Pi HAT (5V power, cooling fan, and USB 2.0 hub). The problem I am facing is that I have added a RatRoaster chamber heater, and when the chamber gets up to temperature (50C is the temperature I've been trying for), the machine shuts down with the error "Lost Communication with MCU", and usually says "Lost Communication with MCU Beacon". However, I have gotten slightly different errors, such as "Lost Communication with MCU toolboard t0", and "Lost Communication with MCU BTT Octopus". Once the chamber cools down slightly, restarting the machine works and the error has disappeared.
The sequence of events goes like this:
1. Begin print with the chamber temperature in the print set to 50C.
2. RatRoaster comes on and begins heating the chamber, the RatRoaster heater core temperature is set to be limited to 115C (same as the bed), and chamber temperature is set to 50C. At this time, RatOS brings the bed to a z-height of about 150mm (middle of the chamber).
3. Once the chamber reaches 50C, RatOS beings the bed down to 100C (the temperature for the print, I'm using ABS), brings the heater core temperature setpoint down to 75C, and raises the extruder to 150C.
4. RatOS begins heat soaking the bed for 15 minutes. This brings the z-height up to 5mm, this is supposed to help heat up the Beacon.
5. The machine generally shuts down during the 15-minute soak period with the above errors.
[More info in next comment]
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