94
Poor weld properties
Cause: Incorrect welding parameters
Remedy: Check the settings
Cause: Poor grounding (earthing) connection
Remedy: Ensure good contact to workpiece
Cause: Inadequate protective gas shield, or none at all
Remedy: Check the pressure regulator, gas hose, gas solenoid valve, torch gas con-
nection, etc.
Cause: Welding torch is leaking
Remedy: Change the welding torch
Cause: Wrong contact tube, or contact tube is worn out
Remedy: Replace contact tube
Cause: Wrong wire alloy or wrong wire diameter
Remedy: Check the wire spool that has been inserted
Cause: Wrong wire alloy or wrong wire diameter
Remedy: Check the weldability of the base material
Cause: The protective gas shield is not suitable for this wire alloy
Remedy: Use the correct protective gas shield
Displayed service
codes
If an error message that is not described here appears on the displays, proceed as follows
to resolve the problem:
Turn the power source mains switch to the "O" position
Wait 10 seconds
Move the mains switch to the I position
If the error occurs again despite several attempts to eliminate it, or if the troubleshooting
measures listed here are unsuccessful.
Make a note of the error message displayed
Note down the configuration of the power source
Contact our After-Sales Service team with a detailed description of the error
ESr | 20
Cause: The selected cooling unit is not compatible with the power source
Remedy: Connect compatible cooling unit
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Cause: An invalid welding process was called up on the robot interface (no. 37) or an
empty flag was selected (no. 32)
Remedy: Call up a valid welding process or select assigned "Save" button
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