Cleaning or replacement of the ignition plug <br>2, check the igniter <br>replacement ignitor <br>3, whether the virtual access high-voltage <br>measuring high voltage <br>solenoid valve does not <br>damage to the coil <br>replace the coil <br>acetylene pressure low alarm <br>acetylene cylinder pressure is insufficient <br>to replace the bottle acetylene <br>acetylene high pressure alarm <br>after the pressure is not reduced acetylene
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