Vector Welding C-Series Operating Instructions Manual page 29

STICK SERIES EQUIPMENT
Troubleshooting
Nr. Troubles Reasons
Turn on the power
Fan is broken
source, power
There is something in the fan
1
indicator is lit, fan
is not working. The start capacitor of fan damaged
Turn on the
The power light damaged or
power source,
connection is not good
2 fan is working,
The power board is broken
power indicator
is not lit Display panel is broken
The power cable connected not
good
The power cable is broken
Turn on the power
source, fan is not Power on switch is damaged
3
working ,power
The light of the power indicator is
indicator is not lit
broken and the problems
mentioned in Nr. 2
The power board is broken
Turn on the power
Control board is broken
source, power
indicator is lit, fan
4
is working, there
is no welding
1 inverter circuit damaged s t
output.
The display panel is damaged
The number of
5 the display is
not intact Digital tube is broken
If the overheat indicator is on
No no-load
The main circuit is broken
voltage output
6
(MMA)
The machine is broken
Gas cylinder is close or gas
pressure is low
Something is in the valve
No gas flow
Electromagnetic valve is damaged
7
(TIG for E221)
Air tube is brocken
Pressure too high or air regulator is
broken
Something is in the valve
Gas always flows
8
Electromagnetic valve is damaged
Checking if the electorde stick to
the work piece that the anti-stick
The welding
function is on
current cannot
9
Control board is broken
be adjusted
Shut off the power when changing the torch
The welding
The min value displayed isn't accordant
current displayed
with the actual value
isn't accordant
10
The max value displayed isn't accordant
with the actual
with the actual value
value
48
Solution
Change fan
Clean it
Change capacitor
Change the power light
Change it
Change it
Connect correctly
Repair or change it
Change it
Change the light of the power
indicator or refer to the solution
in Nr. 2
Change it
Change it
Replace it
Change the display panel
Change it
Wait a few minutes, the machine
can be operated normal
Check and repair
Consult the dealer or the
manufacturer
Open or change the gas cylinder
Remove it
Change it
Change it
Check gas
Remove it
Change it
Separate the electrode and
work piece
Repair or change it
Adjust potentiometer Imin on the
control board
Adjust potentiometer Imax on the
control board
STICK SERIES EQUIPMENT
Nr. Troubles Reasons
The welding current is adjusted too
low
The penetration
The arc is too long in the welding
of molten pool is
11
process
not enough
The power cable or the welding
cable is too long
Over-heat protection ,too much
welding current
Over-heat protection ,working too
much time
Thermal overload
12
indicator light is on Over-current protection, current in
the main circuit is out of control
Input voltage is too low
Fan is broken
Tig electrode melts Tig torch is connected to the
13
when welding positive terminal
Tungsten electrode is too big for
the welding current
Arc flutters during
14
Tig welding
Check the earth clamp position on
the work piece
Troubleshooting
Solution
Increase the welding current
Adjust the distance from torch to
work piece
Use the suitable length from
manufacturer
Reduce the welding current
Reduce the welding time
Check and repair main circuit
and drive board
Check the power supply
Change the fan
Connect the tig torch to negative
terminal
Select the correct size of tungsten
electrode
Adjust the position of earth clamp
49