Readjust the pressure reducing valve of acetylene cylinder<br>Low air pressure alarm<br>Insufficient working air pressure<br>Regulating pressure reducing valve<br>High air pressure alarm<br>Working air pressure too high<br>Regulating pressure reducing valve<br>Heating of mixing tank<br>Acetylene solenoid valve diaphragm is not tightly closed<br>Clean the diaphragm<br>The small hole of acetylene inlet nozzle is blocked<br>Clean the hole<br>3.11 dust collector<br>3.11.1 Equipment Overview and parameters
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