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Troubleshooting
No welding current
Mains switch ON, indicators on the power source are lit up, shielding gas flows
Cause:
Faulty earth (ground) connection
Remedy:
Check the earth (ground) connection and clamp for correct polarity
Cause:
There is a break in the current cable in the welding torch
Remedy:
Change the torch
The machine does not function when the torch trigger is pressed
Mains switch ON, indicators on the power source are lit up, no flow of shielding gas
Cause:
Control plug is not plugged in
Remedy:
Plug in the control plug
Cause:
The welding torch or torch control lead is defective
Remedy:
Exchange the welding torch
Cause:
The interconnecting cable is defective or not connected up properly (not on TPS 2700)
Remedy:
Check the interconnecting cable
Cause:
Power source is faulty
Remedy:
Contact After-Sales Service
No shielding gas
All other functions are OK
Cause:
Gas cylinder is empty
Remedy:
Change the gas cylinder
Cause:
Gas pressure regulator is faulty
Remedy:
Change the gas pressure regulator
Cause:
The gas hose is not mounted, or is damaged or kinked
Remedy:
Mount the gas hose, bend it straight or exchange it
Cause:
Welding torch is faulty
Remedy:
Exchange the welding torch
Cause:
Gas solenoid valve is faulty
Remedy:
Exchange the gas solenoid valve
Poor welding properties
Cause:
Incorrect welding parameters
Remedy:
Check the settings
Cause:
Poor connection to earth (ground)
Remedy:
Ensure good contact to workpiece
Cause:
Not enough shielding gas, or none at all
Remedy:
Check the pressure regulator, gas hose, gas solenoid valve and torch gas connection. On gas-
cooled welding torches, inspect the gas seals, use a suitable inner liner.
Cause:
Welding torch leaking
Remedy:
Exchange the welding torch
Cause:
Contact tube either too big, or worn out
Remedy:
Change the contact tube
EN
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