Rectifying Faults; Checklist For Rectifying Faults - EWM Pico 220 cel puls Operating Instructions Manual

Rectifying faults

7
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
dealer.
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
Excess temperature signal light illuminates
 Excess temperature, welding machine

Allow the machine to cool down whilst still switched on
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)
 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
099-002057-EW501
04.03.2019
Symbol Description

Fault/Cause

Remedy
Rectifying faults
Checklist for rectifying faults
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