Rectifying faults
Meeting the requirements of RoHS
48
099-005211-EW501
23.08.2010
7
Rectifying faults
Legend
a
: Fault/Cause
#
: Remedy
NOTE
The correct machine equipment for the material and process gas in use is a
fundamental requirement for perfect operation!
Wire feed problems
a
Contact nozzle blocked
#
Clean, spray with separating agent and replace if necessary
a
Setting the spool brake (see "Setting the spool brake" chapter)
#
Check settings and correct if necessary
a
Setting pressure units (see "Inching wire electrodes" chapter)
#
Check settings and correct if necessary
a
Worn wire rolls
#
Check and replace if necessary
a
Wire feed motor without supply voltage (automatic cutout triggered by overloading)
#
Reset triggered fuse (rear of the power source) by pressing the key button
a
Kinked hose packages
#
Extend and lay out the torch hose package
a
Wire guide core or spiral is dirty or worn
#
Clean core or spiral; replace kinked or worn cores
Functional errors
a
Machine control without displaying the signal lights after switching on
#
Phase failure > check mains connection (fuses)
a
No welding performance
#
Phase failure > check mains connection (fuses)
a
Various parameters cannot be set
#
Entry level is blocked, disable access lock (see chapter entitled "Lock welding parameters
against unauthorised access")
a
Connection problems
#
Make control lead connections and check that they are fitted correctly.
a
Loose welding current connections
#
Tighten power connections on the torch and/or on the workpiece
#
Tighten contact tip/collet correctly
