Radek

> OOPs no there is no short between hotbed and frame You have a short circuit between the bed heater and the printer frame. You wrote that you controlled it.

Do you have the bed connected via an external mosfet? But you didn't tell me that... :-( Draw a block diagram of how you have it connected.

you also send photos of the connection

Why are you using an external mosfet? Does the bed have a different voltage or too much current?

Where did you connect this connector? 

What resistance does your bed have?

12 : 9,88= 1,21A 1,21 * 12 = 14,5 W What did you measure? Your bed would only have 14.5W I want to know what power your bed has. What...

I probably won't get much information from you. Your power supply gives a maximum of 17A. So for the bed it will be a maximum of 12A Even the Mosfet...


This error occurs if the thermal runaway protection on the ecttruder, which is integrated in Marlin, is activated. There can be more problems that it causes. Either you have the...