SMART PRO 5.0 Pág. 37
The arc force adjusted too small
Increase the arc force
10
Arc blow
Airflow disturbance
Use the shelter from airflow
The electrode eccentricity
Adjust the electrode angle
Change the electrode
Magnetic effect
Incline the electrode to the
opposite way of the magnetic
blow
Change the position of
earth clamp or add earth
cable in the two side of
workpiece
Use the short arc operation
11
The alarm light is on
Over
heat
protection
Over
welding
current
Induce the welding current
output
Working
time
too long
Induce
the
duty
cycle
(interval work)
Over current
protection
Unusual current
in the main circuit
Test and repair the main
circuit and drive PCB (Pr1)
