¶ ●Cause of fault
When the printer has this fault, it may be caused by the strain gauge not working properly.
¶ ●Troubleshooting steps
¶ Step 1: Check the strain gauge wiring
(1) Remove the print head shell according to the figure below.
Note: The print head shell is not fixed with screws and can be removed directly.
(2) Unplug the model cooling fan connection line (red line) and the signal light connection line (black line).