13
Symptom
Cause
Solution
1. Switch the power on, no weld
output,
1.
"
Insufficient power source or short of
phase.
2.
"
Input connection failure.
3.
"
Secondary power source inside this
equipment failure.
1.
"
Compensate the input failure.
2.
"
Reconnect the input connection.
3.
"
Ask the authorized supplier for further
advice.
2.The regulator indicates, no
sound of releasing electricity,
no show of breakdown.
1.
"
Switch failure.
2.
"
Electricity releasing components failure.
3.
"
Misconnections of air Plug.
1.
"
Replace the switch.
2.
"
Adjust the distance between the electricity
releasing components.
3.
"
Reconnect.
3. Electricity releasing presents,
but no current output.
1.
"
Earth cable connection failure.
2.
"
Torch cable short-circuited.
1.
"
Reconnect.
2.
"
Reconnect.
4. Current output Presents, but
not adjustable,
1.
"
Wrong connection of pedal controller.
2.
"
The potentiometer of pedal controller is
damaged or worn.
1.
"
Opt pedal controller on mode.
2.
"
Replace the Potentiometer.
5. Hand control mode available,
while Pedal control
malfunctions.
1.
"
The switch of pedal controller is
malfunctioning.
2.
"
The potentiometer of pedal controller is
malfunctioning.
1.
"
Replace the switch of pedal controller.
2.
"
Replace1K potentiometer.
6. Warning Indicator light on.
1.
"
Be of over-amperage protection status.
2.
"
Excessive dust accumulated and thus
causes the short circuit.
3.
"
Components inside the equipment
malfunctioning.
1.
"
Switch of the power source. Let the
equipment cool down and operated again.
2.
"
Remove the dust accumulated inside the
equipment with compressed air.
3.
"
Ask the professionals for further advice.
7. Unable to weld oxidized
Aluminum.
1.
"
Mode option error.
2.
"
Excessively low clean width.
3.
"
M O S F E T o f s e c o n d a r y I n v e r t e r
damaged.
1.
"
Select AC mode.
2.
"
Increase the clean width or remove the
oxidized coating.
3.
"
Contract the supplier for further advice.
8. Current output presents, but
no gas output.
1.
"
Electromagnetic valve functions.
1.1
"
Gas nozzle is blocked.
1.2
"
Gas hose of welding torch is cracked or
worn.
2.
"
Electromagnetic valve disables.
2.1
"
Electromagnetic valve is damaged.
2.2
"
The circuit of electromagnetic valve is
malfunctions.
1.
"
Unblock the gas nozzle.
2.
"
Replace it.
3.
"
Replace the electromagnetic valve.
4.
"
Ask the professionals for further advice.
9. Tungsten Damaged.
Excessive high Clean Width.
Adjust the Clean Width counterclockwise.
10. Earth cable is excessively
heated.
Earth lead connections failure.
Reconnect.
