Magnum MIG200L PRO DUAL PULSE, Operation Manual

Page: 26 / 30

MIG 200L PRO DUAL PULSE
24
TROUBLE SHOOTING
Malfunctions Solution
Burn back

Adjust the voltage selection to minor 5%-10%, try until welding
normally. Then you can adjust the wire feeding speed as you want.
The meter show nothing;
Fan does not rotate;
No welding output

Confirm the power switch is on.

Power supply available for input cable.

Check if the three phase commute bridge is damaged.

There is malfunction occurs in the supplementary power source on
control board (contact dealers).
The meter shows;
Fan works normally;
No welding output

Check if all the sockets in the machine are connected well.

There is open circuit or badness of connect at the joint of output
terminal.

The control cable on the torch is broken off or the switch is
damaged.

The control circuit is damaged.(contact to dealers)
the meter shows;
Fan works normally;
Abnormal indicator lights.

It might be over-current protection, please turn off the power
switch; restart the machine after the abnormal indicator light
winked.

It might be overheating protection, please wait for about 2-3
minutes until the machine renew without turn off the power switch.

It might be multifunction of inverter circuit. (contact dealers)
Power indicator light is not on, fan
does not turn, no welding press
output

Power switch is broken

Verify that the electrical grid connected to the input
electromechanical regulations has electricity

Enter whether there is a break in the cable