45
Items Checking requirements Remarks
Earth
cable
Whether the grounding wires (including workpiece
Earth wire and welding machine earth wire) break off.
If unqualified, tighten or
replace the components.
Welding
cable\
MIG gun
Whether the insulating layer of the cable is worn, or the
conductive part of the cable is exposed;
Whether the cable is drawn by an external force;
Whether the cable connected to the workpiece is well
connected.
Use appropriate methods
according to the work site
situation to ensure safety
and normal cutting.
12. TROUBLESHOOTING
!
WARINING DO NOT set up without SWITCH OFF !
This Troubleshooting Guide is provided to help you locate and repair possible machine
malfunctions. Simply follow the three step procedure listed below.
Locate Problem(Symptom)
Look under the column labeled “PROBLEM(SYMPTOMS)”. This column describes possible symptoms
that the machine may exhibit. Find the listing that best describes the symptom that the machine is
exhibiting.
Possible Cause
The second column labeled “POSSIBLE CAUSE” lists the obvious external possibilities that may
contribute to the machine symptom.
Recommended Course of Action
This column provides a course of action for the Possible Cause, generally it states to contact you local
after-sales service center.
NOTICE: For safety and to maintain warranty validity:
Only qualified authorized personnel should perform service and repairs!
Unauthorized repairs may endanger the technician and machine operator!
To prevent electrical shock, follow all safety precautions in this manual!
Use only original spare parts when replacing components!
When ordering spare parts, provide machine type, serial number, and item
number, along with type designation and item number of the spare parts!
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