Mma Mode - Cebora SOUND MIG 3840/T Pulse Service Manual

CEBORA S.p.A.
Release the torch start button.
♦ The arc shuts off immediately if a long ramp time is not set (slope-down).
♦ The gas flow ends after the post-gas period (the post-gas time is activated only if
the power source has delivered current).

3.4.4 - MMA mode.

Shut off the power source using the switch (BU).
Leave the signal cable provided connected to the connectors (BD) on the wire feeder and (BS)
on the power source.
Connect the cable to the electrode holder and the earth cable to the negative (BO) and positive
(BR) connectors, observing the polarity of the electrodes to be used.
Restart the power source using the switch (BU).
After start-up, use the button (AI) to select the "process" MMA (led R5 lit).
♦ Voltage begins to be generated at the power source output, and the fan (512) starts
running.
♦ Display (O) shows the programmed welding current (led (D) lit), adjustable via
knob (N), and display (P) shows the open-circuit output voltage (led (J) lit).
Use the knob (N) to set the current based on the electrode you intend to use.
Move the electrode clip near the workpiece.
♦ Begin welding. Turn the knob (N) to optimize the current level.
♦ Display (O) shows the welding current (led (D) lit) and display (P) shows the arc
voltage (led (J) lit).
3.302.191
Correct?
YES
Correct?
YES
REGULAR OPERATION.
Correct?
YES
Correct?
YES
REGULAR OPERATION.
NO (see 3.5.9, 3.5.10).
NO (see 3.5.6).
NO (see 3.5.2, 3.5.3, 3.5.8).
NO (see 3.5.9, 3.5.12).
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