Use and Care Manual

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Question 5: How to solve alarm 2 error or hard limit?
It adds two limit switch in RAY5 20W laser engraver compared with
RAY5 5W or 10W, the firmware has hard limit and soft limit features
to locate the laser module position precisely. The position of the
laser module is assumed to be the home position by default when
powered on. So the engraver will trigger the alarm 2 or hard limit
error if the laser head is moved in the X or Y negative direction at
this time. Then it needs to home the engraver as shown in the
picture below.
Question 6: How to solve the upload error of the APP?
To use APP for engraving, it needs to insert the SD card into the
motherboard firstly to ensure that the data can be received
normally; otherwise it will prompt upload error.
Home to hard Zero point