Magnum MIG200L PRO DUAL PULSE, Руководство по эксплуатации

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OPERATION MANUAL
25
The power switch indicator is on and
the fan does not turn

It is possible that the input is misconnected to the 380V power
supply, causing the over-voltage protection circuit to start, which is
changed to the 240V power supply, and it can be started again.

240V power instability (too long input line) or input line overlap on
the grid,resulting in overvoltage protection

Open and close the power switch continuously for a short period of
time, causing the over-voltage protection circuit to start, shut down
and wait for 2-3 minutes before starting up again.
When the fan turns, the abnormal
indicator light is not on and there is
no high frequency discharge sound,
and no gas flow from the cutting
torch

The vh-07 plug-in voltage of multi-meter to MOS panel should be
about DC308V

The auxiliary power on MOS panel has a green indicator light. If the
light is not on, the auxiliary power is not working

Control circuit problem, find the cause or contact the dealer to cut
the control line on the gun.Cutting gun cable is broken.
Output current during cutting is not
stable or not controlled by the
potentiometer

Potentiometers should be replaced if damaged.

Poor contact at various joints, especially connectors, shall be
checked
Abnormal indicator light is not on,
high frequency discharge sound, can
not cut

It may be overcurrent protection, please turn off the machine, and
restart the machine after the abnormal light is off.

May be overheat protection, do not shut down waiting for 2-3
minutes machine can be restored to normal.
It may be the inverter circuit fault, please unplug the power plug of the
main transformer on the MOS panel (close to the wind