Lincoln Electric IM520-B manual Stick Welding Problems

PROBLEMS

POSSIBLE AREAS OF

(SYMPTOMS)

MISADJUSTMENT(S)

STICK WELDING PROBLEMS

Stick electrode “Blasts Off” when

1.

Weld current is set too high

arc is struck.

for recommended electrode

size. Reduce preset current

adjustment.

Cannot adjust AC Wave Balance

1.

This is a normal condition.

when welding in the Stick Mode.

Wave balance keys are

automatically disabled in the

Stick Mode.

Machine welds at a very low output

1.

If welding in the Remote

regardless of the preset current

Control Mode, the remote

setting - arc is stable.

amptrol may be defective or

not installed properly.

2.

If the output is low when the

machine is in the Local

Control Mode, the problem

could be internal to the

machine.

Variable or sluggish welding arc

1.

Check work and electrode

when welding in the Stick Mode.

cables for loose or poor

connections.

2.

The weld cables may be too

small or too long to permit the

desired current to flow.

3.

The preset current adjustment

may be set too low.