¶ 1. Tools :
● S2.0 Allen key
¶ 2. Check the hot bed wiring:
¶ Step 1: Turn off the printer
Before checking the wiring, turn off the printer and disconnect the power supply to ensure safe operation.
¶ Step 2: Remove the four-input and one-output module
① Unplug the signal cable at the rear cover.
② Use the S2.0 Allen key to unscrew the screws that fix the four-input and one-output module.