smoke sensor cannot work in packet tracer

[wenlan_tan]

Hi, everyone. I got a problem on packet tracer.

When I tied to use smoke sensor in packet tracer, it can not present the value, like in the picture. I tried analog and digital, both ways it just showed "0". Can someone help me?

Thank you

[jhonyconteron]

Excuse me friend if you managed to solve that problem with the sensor
Sorry friend if you managed to solve that problem with the sensor

[Martin L]

Please zip and attach your PT file here.