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Fault Symbols - Migatronic SIGMA2 300 Compact Manuel D'instruction

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  • FRANÇAIS, page 45
2
SIGMA
has a sophisticated built-in self-protection
system. The machine automatically stops the gas
supply, interrupts the welding current and stops the
wire feeding in case of an error.
Errors are indicated by symbols and error codes.
Temperature fault:
The indicator flashes, when the power source is
overheated.
Leave the machine on until the built-in fans have
cooled it down.
Mixed transfer:
(only synergic welding programs)
The indicator is switched on and warns about the
setting area as it lies within mixed transfer with risk of
welding spatter.
Current fault:
The indicator flashes when start current or
welding current is higher than permitted by the welding
machine's efficiency.
Make sure that wire speed/current and voltage are set
correctly.

Fault symbols:

The indicator flashes when other types of errors
occur. At the same time a fault symbol is shown in the
display.
Selected error codes:
case of no circulation of the cooling liquid due to faulty
connection or choking.
Check that the cooling hoses are correctly connected,
top up the water tank and check welding hose and
branches.
The cooling fault is cancelled by pressing shortly on
the
–key pad.
FAULT SYMBOLS
Torch cooling fault:
The indicator is displayed in
when the mains voltage is too high.
Connect the welding machine to 400V AC, +/-15%
50-60Hz.
Wire feed fault:
The indicator is displayed, if the wire feed motor is
overloaded.
The wire feed motor or magnet valve may be
defective.
in case a gas control kit has been mounted. Gas fault
is due to a to low or high pressure on the gas flow.
Make sure that the pressure on the gas flow is higher
than 2 bar and less than 6 bar, corresponding to 5
l/min and 27 l/min.
The fault is disconnected by adjusting the manual gas
flow to 27 l/min. Gas fault is switched off pressing
down the
–key pad shortly.
OTHER TYPES OF FAULTS
If other fault symbols are shown in the display, the
machine shall be switched off and then on to dispose
of the symbol.
If the fault symbol is shown repeatedly, repair of the
power source is required. Contact your distributor with
information of the fault.
When using the MultiFeeder or MWF 41
Slave, the following error codes are available
2
on the SIGMA
:
MultiFeeder or MWF 41 Slave and the SIGMA
properly.
in case a gas control kit has been mounted. Gas fault
is due to a to low or high pressure on the gas flow.
Make sure that the pressure on the gas flow is higher
than 2 bar and less than 6 bar, corresponding to 5
l/min and 27 l/min.
The fault is disconnected by adjusting the manual gas
flow to 27 l/min. Gas fault is switched off pressing
down the
–key pad shortly.
26
Mains supply fault:
The indicator is displayed,
or
Gas control fault (option):
This icon can only be shown
is
displayed
when
communication between the
2
is lost.
is displayed when controlling
the motor is not running
is displayed when the motor
is overloaded.
Gas control fault (option):
This icon can only be shown
the

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