Rectifying faults
Checklist for rectifying faults
42
099-005664-EW501
22.09.2021
Warning
Possible cause / remedy
40
Mains undervoltage
Check supply voltage.
41
Cooling module not recognised Check the cooling unit connection.
47
Battery (Bluetooth remote con-
trol)
Battery level is low (replace battery)
[1]
only for XQ machine series
[2]
See technical data for values and other switching thresholds.
7.3 Checklist for rectifying faults
The correct machine equipment for the material and process gas in use is a fundamental
requirement for perfect operation!
Legend
Symbol
Description
Fault/Cause
Remedy
Functional errors
Mains fuse triggers - unsuitable mains fuse
Set up recommended mains fuse.
Machine does not start up after switching on (device fan and possibly coolant pump have no function).
Connect the control cable of the wire feeder.
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)
Machine restarts continuously
Wire feeder without function
System does not start up
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
Properly fasten the contact tip and contact tip holder.
Coolant error/no coolant flowing
Insufficient coolant flow
Check coolant level and refill if necessary
Air in the coolant circuit
Vent coolant circuit
