33
9
The penetration of molten pool
is not enough(MMA)
The welding current adjusted
too low
Increase the welding current
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)
•
4.3. List of error codes
Error Type
Error code
Description
Lamp status
Thermal relay
E01
Over-heating(1st thermal relay)
Yellow lamp (thermal
protection) always on
E02
Over-heating(2nd thermal relay)
Yellow lamp (thermal
protection) always on
E03
Over-heating(3rd thermal relay)
Yellow lamp (thermal
protection) always on
E04
Over-heating(4th thermal relay)
Yellow lamp (thermal
protection) always on
E09
Over-heating(Program in default)
Yellow lamp (thermal
protection) always on
Welding
machine
E10
Phase loss
Yellow lamp (thermal
protection) always on