Do clean up flange probe-probe-sample line-filter sample line-diaphragm pump-filter balston from dirty of dust use instrument air supply also water for filter sample line. Check function of humidity sensor and filter humidity result function humidity sensor good and filter humidity good condition. Clean up lens of camera and flange probe IR TAD result value temperature show around 960 degree celcius at CCR operator ( JAJAT & RIZAL & ANDRI )