Jasic TIG200, Руководство пользователя

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Page 48
or whether the gas purity is too low.
(4) Check whether there is strong ambient
air flow in the environment.
Hard to start arc
Arc is easily
interrupted
Poor quality or
serious oxidation of
the tungsten
electrode
(1) Replace the tungsten grade with better
quality.
(2) Grind off the tungsten oxide layer.
(3) Increase the post-flow delay time to
avoid tungsten oxidation.
(4) Adjust the spark gap on the discharge
plate (about 1mm)
Unstable current
when welding
The voltage of the
power grid fluctuates
seriously or poor
contact with the
power grid.
Serious interference
from other electrical
equipment.
(1) Check whether the power grid is
normal and connect the power connector.
(2) Use different power cords to connect
equipment that could seriously interfere
with welder.
Other faults
Please contact the maintenance
personnel of Shenzhen JASIC
Technology Co., Ltd.