Rectifying Faults; Checklist For Rectifying Faults - EWM Picomig 180 puls TKG Operating Instructions Manual

7

Rectifying faults

All products are subject to rigorous production checks and final checks. If, despite this, something fails to
work at any time, please check the product using the following flowchart. If none of the fault rectification
procedures described leads to the correct functioning of the product, please inform your authorised dea-
ler.
7.1

Checklist for rectifying faults

The correct machine equipment for the material and process gas in use is a fundamental
requirement for perfect operation!
Legend
Collective interference signal light illuminates
 Excess temperature, welding machine
Allow the machine to cool down whilst still switched on

 Welding current monitoring device triggered (stray welding currents flowing across the protective e-
arth). The error must be reset by switching the machine off and on again.
Welding wire is touching electrically conductive casing parts (check wire guide, has the welding

wire sprung off the wire spool?).
Check for a correct mounting of the welding lead. Fit the feeder clamp of the welding lead as

close as possible to the arc.
Excess temperature signal light illuminates
 Excess temperature, welding machine
Allow the machine to cool down whilst still switched on

Functional errors
 Mains fuse triggers - unsuitable mains fuse
Set up recommended mains fuse > see 8 chapter.

 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.

099-005545-EW501
17.12.2020
Symbol Description
Fault/Cause

Remedy

Rectifying faults
Checklist for rectifying faults
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