Internal Set Up Controls; Stick Welding Features; Tig Welding Features - Lincoln Electric PRECISION TIG 375 ROHS Operator's Manual

B-8

INTERNAL SET UP CONTROLS

Precision TIG ® 375 Advanced Panel has the following
additional control features which are set up using the
DIP Switch (S1) provided on the internal panel of this
option.
Access to this internal panel is obtained by removing
the two screws securing the top corners of the
Precision TIG ® front control panel and swinging the
control panel down to reveal the panel mounted on the
surface of the Precision TIG
CAUTION
• THE CONTROL BOARDS CONTAIN STATIC SEN-
SITIVE COMPONENTS
• To avoid possible damage to these components
be sure to ground yourself by touching the
machineʼs sheet metal while handling or making
settings on the internal control box components.
------------------------------------------------------------------------
PRECISION TIG ADVANCED PANEL
(M21115 Internal Panel)
^ ON
1 2 3 4 5 6 7
DIP SWITCH (S1)
ON
1 2 3 4 5 6 7 8
OFF
DIP SWITCH POSITIONS (FACTORY SETTINGS)

STICK WELDING FEATURES

• Switch #6 Hot Start Level – Does
• Switch #7 Arc Force Level – Does not function
OPERATION
® Control board:
(DOES NOT FUNCTION)
S F
HOT START
ARC FORCE
not function
(See Item 7a)
(See Item 7a)
PRECISION TIG

TIG WELDING FEATURES

The following DIP switch feature selections function
only when the Precision TIG
Item 3):
• Switch #1 Preflow/Postflow Time Extension*
(See Item 9)
ON – Doubles the time ranges.
OFF – Standard time ranges (as shipped).
• Switch #2 2-Step Trigger Restart Feature (See
Figure B.3)
ON – Restart Enabled (as shipped).
OFF – Restart Disabled.
• Switch #3 4-Step Trigger Restart Feature (See
Figure B.4)
ON – Restart Enabled.
OFF – Restart Disabled (as shipped)
• Switch #4 Lift TIG Starting - Does not function
• Switch #5 Crater-Fill Level (See Item 7)
ON - Level is minimum rating of the machine (2A)
OFF – Level (as shipped) is Minimum Output setting
(same as Start level).
® 375
B-8
® is set to TIG mode (See
(See Item 7a)