TITANTIG 200 DC PULSE PRO, Operating Manual

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TitanTIG 200 DC Pulse Pro Operators Manual
Issue. A 0516
5.3 Electrical Trouble Shooting
In the event of equipment malfunction, contact an authorized service agent
The following operation requires sufficient professional knowledge on electric aspects and comprehensive
safety knowledge. Make sure the input cable of the machine is disconnected from the electricity supply and
wait for 5 minutes before removing the machine covers Before taking your unit for servicing, check the list
below.
Trouble Reason Solution
1
Turn on the power source,
and fan works, but the
power pilot lamp is not on.
The power light damaged or connection is
not good
Check and repair Pr7
The transformer of power is broken Repair or change the transformer
Control PCB failures Repair or change the control Pr4
2
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
3
Turn on the power source,
the power lamp is not on,
and fan doesn’t work
No power supply input
Check whether there is power
supply
The fuse inside the machine damaged Change it (3A)
4
The number on the display is
not intact.
The LED in the display is broken Change the LED
5
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 Imin on the
power board.
The min value is not accordant (refer to
§3.1)
Adjust potentiometer Imaxin the
current meter.
6
No no-load voltage output
(MMA)
The machine is damaged Check the main circuit and the Pr4.
7
Arc can
not 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).
There is not
spark on the
HF igniting
board.
The HF igniting board does not work. Repair or change Pr8
The distance between the discharger is too
short.
Adjust this distance (about
0.7mm).
The malfunction of the welding gun switch.
Check the welding gun switch,
control cable and aero socket.