Power Source Problems - CIGWELD WELDSKILL 200HF Operating Manual

200HF

7.04 Power Source Problems

Description
1 Mains Supply Voltage is On,
the On/Off switch on the rear
panel is in the On position
and the Power indicator on
the front panel is illuminated
however the power source
will not STICK weld.
2 Mains Supply Voltage is On,
the On/Off switch on the rear
panel is in the On position
and the Power indicator on
the front panel is illuminated
however the power source
will not commence welding in
TIG modes.
3 Over Temp Indicator is
illuminated and unit will not
commence welding.
4 The welding arc cannot be
established
5 Maximum output welding
current cannot be achieved
with nominal Mains supply
voltage
6 Welding current reduces
when welding
SERVICE
OPERATING MANUAL
Possible Cause
A Power Source is not
in the correct mode
of operation.
B Work Lead is not
connected to the
work piece.
A Power Source is not
in the correct mode
of operation.
B Work Lead is not
connected to the
work piece.
C TIG Torch 8 Pin
Control Plug not
connected correctly
or loose/faulty
connection in plug.
D Faulty TIG Torch
Trigger.
Duty cycle of power
source has been
exceeded.
A The Mains supply
voltage has not been
switched ON
B The Welding Power
Source switch is
switched OFF
C Loose connections
internally
Defective control
circuit
Poor work lead
connection to the
work piece
7-2
Remedy
A Set the power source to STICK
mode.
B Ensure that the Work Lead is
connected to the work piece and
has a good connection to the
work piece.
A Set the power source to either
HF TIG or Lift TIG mode with the
process selection control. Refer
to section 4.02.4.
B Ensure that the Work Lead is
connected to the work piece and
has a good connection to the
work piece.
C Connect 8 Pin TIG Torch control
plug securely and correctly to
the 8 Pin control socket of the
front of the WeldSkill 200HF
Power Source. Repair or replace
if faulty.
D Repair or replace TIG Torch
Trigger switch/lead.
Leave the power source switched
ON and allow it to cool. Note
that Over Temp indicator
must be extinguished prior to
commencement of welding.
A Switch ON the Mains supply
voltage
B Switch ON the Welding Power
Source
C Have an Accredited CIGWELD
Service Provider repair the
connection
Have an Accredited CIGWELD
Service Provider inspect then
repair the welder
Ensure that the work lead has a
positive electrical connection to
the work piece
Manual 0-5406