Troubleshooting
GB
No welding current
Mains switch is on, indicators on the power source are lit, shielding gas available
Cause:
Incorrect 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 PullMig CMT hosepack
Remedy:
Contact After-Sales Service
Cause:
Loose connection on hosepack
Remedy:
Check that hosepack is firmly in place
PullMig CMT not working
Mains switch is on, indicators on the power source are lit
Cause:
Control plug or motor plug not plugged in
Remedy:
Plug in the control plug or motor plug
Cause:
The control line or motor lead is defective
Remedy:
Contact After-Sales Service
Cause:
Drive unit is faulty
Remedy:
Contact After-Sales Service
Cause:
The interconnecting hosepack is faulty or not connected properly
Remedy:
Check the interconnecting hosepack and connection
No shielding gas
All other functions are OK
Cause:
The 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 connected, or is damaged or kinked
Remedy:
Fit gas hose, lay out straight or change
Cause:
Welding torch is faulty
Remedy:
Exchange the welding torch
Cause:
Gas solenoid valve in the CMT feeder is faulty
Remedy:
Exchange the gas solenoid valve in the CMT feeder
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:
Connections leaking
Remedy:
Tighten connections
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