Services and Troubleshooting
GB
44
CPTX 270/CPTX 330
No shielding gas
All other functions available
Gas cylinder is empty
Change the gas cylinder
Gas pressure regulator
is defect
Change the gas pressure
regulator
Gas hose not installed
or defect
Install or change the
gas hose
Welding torch defect
Change the welding torch
Gas valve defect
Change the gas valve
Poor welding quality
Incorrect welding parameters
Check the settings
Bad ground cable
Produce a good contact
to the work piece
No or not enough shielding
gas
Check the pressure regulator,
gas hose, gas valve, torch,
gas connection, etc.
Welding torch leak
Change the welding torch
Incorrect or grounded
contact tip
Change the contact tip
Incorrect wire alloy or incorrect
wire diameter
Control the pickled wire reel
Test the weldability of
the base material
Gas for wire alloy is not
suitable
Use proper gas
