Raise3D E2 - Printer Components: Back View Details Part 2; Switching Power Supply; Air Filter Fan; Ethernet Port

How to Replace the Thermocouple – V1.0 Date:07/27/2020
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16. Prepare a new thermocouple, and then screw it back on the hotend.
Note: Please make sure that the thermocouple is fully screwed. If the thermocouple is not fixed
completely, the printer will report a board error.