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3) Do not over voltage!
Power voltage listed in "main performance parameters list". Generally, automatic
compensation circuit in welder may maintain welding current within allowable range required for
normal operation. However, it may damage welder if power voltage exceeds power voltage.
Operator must observe above condition and take proper preventive measures.
4) Each welder is equipped with a grounding bolt behind machine and grounding mark. Select a
cable with the section of not less than 4 mm
leakage for grounding of welder before operating.
5) Welder will enter into protection status and stop operating if it exceeds the standard load
succession rate. It indicates that excessive heat activates the temperature control switch to stop
operating of welder, and red indicator lamp is on at front panel. During this condition, do not
remove power plug and maintain cooling fan inside to operate to cool the power device. If yellow
indicator lamp is off, it indicates that temperature is drop to normal range, system is back to
normal.
V. Preparation and operating for welding
2
to discharge static electricity or prevent electric
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