Starting The Power Source; Tig Operation - Cebora Power Tig 1540 DC-HF Service Manual

CEBORA S.p.A.
Operations preceded by this symbol refer to operator actions.
♦ Operations preceded by this symbol refer to machine responses that must occur following an
operator action.

3.2.2 - Starting the power source.

System shut off and disconnected from the mains.
Connect the power source to the mains.
Close the switch (6).
♦ System powered, lamp on the switch (6) lit, fan (16) working, yellow led (G) lit.
♦ After three seconds, all of the leds on panel board (26) lit (lamp-test).
♦ After one second, only one green led remains lit according to the "Process" and
"Mode" setting before the unit was last shut off.
Press the button (A) several times; the "Process" and "Mode" selection is repeated in
sequence.
♦ Each time the button (A) is pressed, the leds F, E, D, C and B light one after
another.

3.2.3 - TIG operation.

DURING THE FOLLOWING TESTS DO NOT AIM THE TORCH AT PEOPLE OR PARTS
OF THE BODY, BUT ONLY TOWARDS AN OPEN SPACE OR THE WORKPIECE.
DO NOT TRY TO MEASURE THE OUTPUT VOLTAGE DURING THESE STEPS. THE
PRESENCE OF HIGH FREQUENCY MAY DAMAGE THE INSTRUMENT OR THE
Switch-off the power source through switch (6).
Connect the gas supply to the fitting (R) provided on the rear panel.
Connect the TIG torch to the negative pole (P) of the power source, to the fitting gas (O) and
to commands connector (I), on front panel.
Connect the cable of the positive pole (Q) of the power source to the workpiece.
Switch-on the power source, closing the switch (6).
After the lamp-test, use the button (A) to select the TIG-2TIMES with HF "Process" and
"Mode", led C lit.
Briefly press the torch start button.
♦ The pre-gas phase begins with gas flowing from the torch, for as long as the
button is held down.
♦ Gas continues to flow from the torch for the duration of the post-gas time set,
adjustable with knob (L), after the start button is released.
3.302.212
NOTE
Correct?
YES
Correct?
YES
WARNINGS
POWER SOURCE ITSELF.
Correct?
YES
NO (see 3.3.1, 3.3.2, 3.3.3).
NO (see 3.3.3).
NO (see 3.3.4, 3.3.5).
6
12/01/06