Symptom: on the power switch, Plasma cutting machine power light is off.
1. Failure reason: the power supply switch off the fuse. Remedy: Replace.
2. Failure reason: the fuse box after the power off. Remedy: Check the replacement.
3. Failure reason: control transformer bad. Remedy: Replace.
4. Failure reason: the power switch is broken. Remedy: Replace.
5. Failure reason: Plasma cutting machine indicator bad. Remedy: Replace.
1. Failure reason: gas source not connected to the gas source or airless. Remedy: turn on the gas source.
2. Failure reason: the power switch is not in the "on" position. Remedy: flip for.
3. Failure reason: bad valve. Remedy: Repair or replacement.
4. Failure reason: bad solenoid valve wiring. Remedy: Check the wiring.
5. Failure reason: bad solenoid valve. Remedy: Replace.
Symptom: Plasma cutting machine pressed the button torch work without airflow.
1. Failure reason: pipeline leak. Remedy: Repair leaking section.
2. Failure reason: bad solenoid valve. Remedy: Replace.
Symptom: After tip contacts the workpiece pressing buttons work torch lights but no arc cutting.
1. Failure reason: Plasma cutting machine KT1 bad. Remedy: Replace.
2. Failure reason: the high-frequency transformer bad. Remedy: Check or replace.
3. Failure reason: spark gap rod surface oxidation or improper distance. Remedy: polished or adjustment.
4. Failure reason: the high-frequency capacitor C7 shorted. Remedy: Replace.
5. Failure reason: the pressure is too high. Remedy: reduce.
6. Failure reason: loss tip is too short. Remedy: Replace.
7. Failure reason: rectifier bridge rectifier elements are open or shorted. Remedy: Check replace it.
8. Failure reason: the torch cable is bad or disconnected. Remedy: Repair or replacement.
9. Failure reason: Missed ground workpiece to the workpiece. Remedy: connect to the workpiece.
10. Failure reason: the workpiece surface with thick paint or thick dirt. Remedy: Clear to make it conductive.
Symptom: Plasma cutting machine tip contacts the workpiece by pressing the button cutting torch light is not on.
1. Failure reason: thermal switch action. Remedy: be cooled or no longer work.
2. Failure reason: bad torch button switch. Remedy: Replace.
Symptom: After Plasma cutting machine high frequency start control blown fuse broken.
1. Failure reason: the high-frequency transformer damage. Remedy: Check the replacement.
2. Failure reason: control transformer damage. Remedy: Check the replacement.
3. Failure reason: contactor coil shorted. Remedy: Replace.
Symptom: The total power switch off the fuse.
1. Failure reason: rectifying element shorted. Remedy: Check and replace.
2. Failure reason: Main transformer fault. Remedy: Check the replacement. .
3. Failure reason: contactor coil shorted. Remedy: Check the replacement.
Symptom: There happen but can not afford the high-frequency arc.
1. Failure reason: bad rectifier element (the machine has abnormal sound). Remedy: Check the replacement.
2. Failure reason: the main transformer bad. Remedy: Check the replacement.
3. Failure reason: C1-C7 bad. Remedy: Check the replacement.
Symptom: Plasma cutting machine can not afford long-term interruption arc.
1. Failure reason: the main transformer temperature is too high, thermal switch action. Remedy: Note cool to be cool before work. Plasma cutting machine fan is working and the wind direction.
2. Failure reason: line fault. Remedy: Check the repai
