Turn the printer on - check the wiring from the power supply.Check the thermistor cable - it should not be shorted (less than 2Ω is likely a failed thermistor).Check the cabling to the heat-bed - it should measure about 2Ω to 3Ω.Check the heater cartridge in the hot-end - it should measure about 16Ω.The pinouts can be found further below in this article. I strongly recommend to do a hardware check if you had a motherboard failure earlier and you have purchased a BTT board to replace your stock motherboard. If you haven’t replaced your power switch yet and you think it might get faulty at some point, replace it. If your motherboard has an early failure and didn’t get to see the CR-6 in action, you will of course have no choice but to take a leap of faith - though you can do some hardware checks as detailed below. If you don’t do this and you change the motherboard, it will be harder to diagnose what the cause is. For instance: no extrusion issues, no bed leveling issues, no weird issues with the stepper motors. Prequisites Ensure you no have prior issuesīefore you start, you want to make sure your CR-6 is running smoothly. The Creality CR-6 SE features a motherboard that has not been without its issues - and also my motherboard has failed within 30 days after using my unit.
BigTreeTech sent me their motherboard replacement for the Creality CR-6 SE together with their BTT touch screen featured earlier in the BIQU B1 and available as an upgrade for many other 3D printers.
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