Fault
62
No inert gas
Cause:
Remedy:
Bottle empty
Check
Pressure reducer defective
Check
Hose kinked
Check
Machine gas valve defective
Service required !
Arc sputters and jumps
Cause:
Remedy:
Contact tip worn
Replace contact tip
Feed rollers have incorrect diameter
Use feed rollers with correct diameter
Wire liner very dirty
Replace wire liner
Electrode and workpiece do not reach working
Use thinner wire
temperature
Incorrect wire feed speed
Adjust speed
Arc has a strange colour
Cause:
Remedy:
Too little or no inert gas
Check inert gas supply
Incorrect inert gas
Use appropriate inert gas
Wire unwinds uncontrolled
Cause:
Remedy:
Wire coil brake is applied either too strongly or too
Adjust wire coil brake
weakly
Wire feeding problems
Hose set should be blown out at
each wire change. Wire liner and feed rollers
must match the wire diameter.
Control defective
Service required !
Water-cooled torch gets too hot
Cause:
Remedy:
Water hoses kinked
Check water hoses for correct position
Too little or no cooling water in the tank
Check cooling water level
Water pump defective
Service required !
Summary of Contents for FOCUS.ARC P 250
Page 1: ...GB OPERATING INSTRUCTIONS MIG MAG impulse welding systems FOCUS ARC P 250 450...
Page 16: ...Function description 16 Figure 5 FOCUS ARC P wire feed case...
Page 37: ...Function description 37 Figure 20 Submenu MSG parameters...
Page 67: ...Circuit diagrams 67 14 Circuit diagrams Figure 28 FOCUS ARC P current source...
Page 68: ...Circuit diagrams 68 Figure29 FOCUS ARC P wire feed case...
Page 69: ...Circuit diagrams 69 Figure30 FOCUS ARC P water cooling...
Page 73: ...Components 73...
Page 74: ...Components 74...
Page 75: ...Components 75...
Page 76: ...Components 76...
Page 81: ......
