Do clean up flange probe also lens Temperature IR TAD result  temperature 920 degree celcius-clean up lens of T scanner found before dirty of dust-clean up CCTV such as lens also camera unit form dirty of dust use equipment cleaning tools-clean up camera burner such as probe of camera, panel instrument air, panel control PLC, dryer oil and water from dirty of dust use hand blower and equipment cleaning tools note lens of t scanner east side cracked advice need to replace with spare unit ( ADI & EVE ELGI )