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Appendix 2
Status code description
Device status code
Description
0
The instrument is normal
1
The voltage of the pressure sensor (that is, the feedback voltage) is abnormal after the
pressurized cylinder is pressed down
2
Round-trip cylinder does not go back and forth for 10 seconds
3
The air pressure is abnormal
4
Security door 1 is not completely closed
5
Security door 2 is not completely closed
6
Security door 3 is not completely closed