14
Symptom
Possible solution
Weld bead is not well protected.
1. Do not move the welding torch away immediately when stopping welding, so that
the shielded gas can protect the weld bead.
2. Prolong the post-flow time of the shielded gas.
No gas flow when the torch trigger
is pushed, but the wire feed
operates normally.
1. The control PCB is damaged.
2. The solenoid valve is clogged or damaged.
3. The transformer of the power supply is damaged.
Содержание JM-350C
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