Rectifying faults
Checklist for rectifying faults
099-005592-EW501
16.07.2018
31
Functional errors
All machine control signal lights are illuminated after switching on
No machine control signal light is illuminated after switching on
No welding power
Phase failure > check mains connection (fuses)
Several parameters cannot be set (machines with access block)
Entry level is blocked, disable access lock
Connection problems
Make control lead connections and check that they are fitted correctly.
Loose welding current connections
Tighten power connections on the torch and/or on the workpiece
Tighten contact tip correctly