1. Whether the edited file is correct.

2. Whether the computer operating is correct.

3. Whether the software matches the encryption card.

4. Whether the selected target is over-published.

5. Whether there is magnetic interference around.

6. Whether the ground wire is connected?

(1) Check whether the limit switch (light lotus root) induction iron plate is installed properly, and the limit switch cannot be sensed.

(2) Check whether the limit switch (light lotus) has a signal and whether the wire is well connected.

(3) The limit switch (light lotus root) is damaged and needs to be replaced.

(4) Caused by incorrect setting of mechanical system parameters.