200HF
Description
9
TIG electrode melts when arc
is struck
10 Arc flutters during TIG
welding
SERVICE
OPERATING MANUAL
Power Source Problems Cont'd
Possible Cause
A
TIG torch is connected
to the (+) terminal
B
Incorrect Shielding Gas
is being used.
C
Inadequate shielding
gas flow or shielding
gas not turned on.
D
Incorrect Tungsten
Tungsten electrode
is too large for the
welding current
Table 7-1
7-4
Remedy
A
Connect the TIG torch to the (-)
terminal
B
Ensure that Welding Grade Argon
is being used.
C
Turn on shielding gas and set
shielding gas flow rate for the
welding job. Refer to Table 5-5 on
Page 5-7.
D
Check Tungsten type and size and
change if necessary.
Select the correct size of tungsten
electrode refer to Table 5-1 Cigweld
Tungsten Electrode Selection Chart.
Manual 0-5406