User Manual

ionTig 200 Pulse PFC
Copyright © Mundaka Welding & Gases, Inc.
28
Maintenance course must be operated carefully. If any wire becomes flexible or is misplaced, it
maybe potential danger to user!
Only professional maintenance personal who is authorized by us could overhaul the machine!
Guarantee to shut off the arc welding machine’s power before turn on the outline of the equipment!
If there is any problem and has no the authorized professional maintenance personal, please
contact local agent or the branch company!
If there are some simple troubles of TP-series welding machine, you can consult the following
overhauling chart:
S/N
Troubles
Reasons
Solution
1
Turn on the power source,
and the power lamp is on,
but fan doesn’t work
There is something in the fan
Clear out
The start capacitor of fan damaged
Change capacitor
The fan motor damaged
Change fan
2
The number on the display
is not intact.
The LED in the display is broken
Change the LED
3
The max and min value
displayed doesn’t accord
with the set value.
The max value is not accordant (refer
to §3.1)
Adjust potentiometer Imax on the
control board.
The min value is not accordant (refer
to §3.1)
Adjust potentiometer Imin the
current meter.
The machine is damaged
Check the main circuit and the
Pr4.
5
Arc cannot
be ignited
(TIG)
There is
spark on the
HF igniting
board.
The welding cable is not connected
with the two output of the welder.
Connect the welding cable to the
welder’s output.
The welding cable damaged.
Repair or change it.
The earth cable connected unstably.
Check the earth cable.
The welding cable is too long.
Use an appropriate welding
cable.
There is oil or dust on the workpiece.
Check and remove it.
The distance between tungsten
electrode and workpiece is too long.
Reduce the distance (about
3mm).