Please suggest about CO2 sensor SEN0159

I tested CO2 sensor for 10 Hours I get result from mointor "under heating/beyond range (400-10,000) ppm. (Please see picture)
please suggest me that How do it work?

2016-08-15 23:37:30 Hi supachaiosathalert,
How long have you been heatting the sensor? And did you see the data changing when you breathe to the sensor?
Wendy.Hu
How long have you been heatting the sensor? And did you see the data changing when you breathe to the sensor?
