MG-118-1 PEGAS 160 T PULSE HF SERVICE MANUAL
page 7
ALFA IN a. s. © 2010
SERVISNÍ TECHNICKÁ DOKUMENTACE
The arc force adjusted
too small
Increase the arc force
Airflow disturbance
Use the shelter from airflow
Adjust the electrode angle
The electrode
eccentricity
Change the electrode
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
10
Arc blow
Magnetic effect
Use the short arc operation
Over
welding
current
Induce the welding current output
Over heat
protection
Working
time too
long
Induce the duty cycle (interval
work)
11
The alarm light is on
Over current
protection
Unusual
current
in the
main
circuit
Test and repair the main circuit and
drive PCB Power P160T compl.
5.
KONTROLA SILOVÉ PCB
CHECKING THE POWER PCB
Nástroj: standardní multimetr nastavený do
pozice “kontrola diod“.
Tool: standard multimeter set to the
position “Diode“
Všechny komponenty proměřte nejdříve podle
řádku 1 tabulky a po té podle řádku 2.
Measure all the components firstly
according line 1 and then according line 2
of the table.
