Check the following:
1. Check the Thermistor
Ensure the thermistor is securely connected to the hotend.
If loose or damaged, replace it.
Here’s a guide on how to check and replace the print head kit - https://www.youtube.com/watch?v=AjLOnpua-cc
2. Inspect the Heater Cartridge
Check if the heater cartridge is properly connected.
If faulty, replace it with a new one.
3. Update or Roll Back Firmware
Try updating to the latest firmware.
If the error started after an update, revert to an older version.
4. Reduce Print Speed
Lower the print speed to see if the error disappears.
Here’s a guide on Creality Wiki on how to troubleshoot 2564 error - 2564 Error Trouble Shooting | Creality Wiki
