TROUBLESHOOTING GUIDE
FAULT
CAUSE
REMEDY
No Power On LED
Lamp
No mains power available.
Ensure that the machine is
connected to a suitable live mains
power source and switched on.
The LED & Meter
Display Is Not Lit Up
The machine power switch is
turned off.
Ensure that the machine power
switch located on the rear of the
machine is switched to the on
position.
No Welding Output
Incorrect mode setting.
Check that the correct welding (MMA
/ TIG) mode is selected in the LED
display.
Machine Does Not
Operate With TIG
Torch Switch.
Broken torch lead or faulty
torch switch. In-correctly
fitted remote connection
plug.
Use a meter to check that the torch
switch is functioning and check that
the remote control plug is wired
correctly.
No Shielding Gas
Empty gas cylinder or in-
correctly adjusted gas flow
rate.
Replace & adjust as required. Check
that no kinks are present in the gas
and torch supply hose.
Welding Operation Is
Erratic Or Not As
Required.
Incorrect welding current
selected. Faulty or damp
electrodes.
Check that the current level is correct
for the application. Select an
alternative electrode.
Erratic Or
Uncontrollable
Welding Arc
Faulty welding torch or bad
earth returns (work lead)
connection.
Check that the correct sized
components are fitted and that the
welding torch is in good condition.
Ensure that all connections are
secure and that there is a good earth
return connection with the work piece.
Machine Overheats
The machine working duty
cycle has been exceeded.
Check and ensure that there is no
restriction in the machine fan in and
output ducts. Also ensure that there
is adequate ventilation space around
the machine.
WARNING
If any fuses need to be changed, these must be replaced by ones of the same value. No
warranty claims will be accepted in respect of damage caused or resulting from the use of
higher rated fuses.
Under no circumstances should any attempt be made to operate the equipment with any of
the machine casings removed or in a dangerous condition. The machine operates at very high
voltages and serious personal injury could be incurred if unqualified persons make any repair
attempt. If in any doubt immediately disconnect the unit and contact the supplier.
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