463 2K1: found flow gas at 0 L/H CO: -0.15 PPM, NO: 25 PPM and O2: 20.90 %, clean up probe, filter probe from hard dust. Insert analyzer flow gas 100 L/H, all gas reading back to normal. 443 2K1: clean up flange probe, filter probe, sample line, diaphragm pump, dryer gas, filter balston from dust process, check filter humidity replace filter if found bad condition ( PENY & ADI & YOGA )