Tweco 252i Fabricator - Manual (Page 35)

INSTALLATION/SETUP FABRICATOR 252i
Manual 0-5155 3-5 INSTALLATION/SETUP
2. Fault Indicator
The yellow fault indicator will be illuminated when any
of the faults are detected. ALL Faults will illuminate the
indicator
3. Weld Process Selection Button
TIG
Process
MIG
STICK
Press and release this button to change the selected weld
process mode from MIG to LIFT TIG to STICK. The weld
process will change to the next process in the sequence
each time the button is pressed and released. The red
indicators next to the button will illuminate to identify MIG
or LIFT TIG or STICK process mode.
WARNING
When the Power light is lit, the machine is
connected to the Mains supply voltage and
the internal electrical components are at Mains
voltage potential.
4. 2T - 4T Trigger Latch Button
Trigger
2T Normal
4T Latch
Press and release the button to change the selected op-
erating mode of the trigger. The selected mode can be
either “2T” (unlatched) or “4T” (latched) operation. The
red indicator next to the button will illuminate to identify
which mode is selected (2T or 4T). In the 4T mode once
the weld has been started you can release the trigger and
continue welding until the trigger is activated again or the
welding arc is broken to stop the welding arc.
5. Advanced Features Button
Advanced
Features
Press and release the Advanced Features button to enter
or exit from the advanced programming mode. To exit,
simply press and release the button again. Any changes
made are saved. The advanced programming menu items
are described in detail for each welding mode in Section
3.07.
Advanced
Features
Gas Purge.
In addition, the Advanced Features Button is used to initi-
ate a 30 second gas line purge function to fill the gas line
with the shielding gas from the connected gas cylinder.
To start the gas purge function, simply press and hold the
button for approximately two (2) seconds. Once the Gas
purge function has started, a countdown timer will show
in the left alpha-numeric display indicating the number
of seconds remaining before the purge will be automati-
cally terminated. You can stop the Gas purge any time
during the 30 seconds by quickly pressing and releasing
the button again.