EWM WEGA DRIVE 41 Instructions d'exploitation télécharger pdf (Page 55)

Rectifying faults

Customer checklist

099-004965-EW501

26.09.2011

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

dealer.

7.1 Customer checklist

Coolant error/no coolant flowing

a Insufficient coolant flow

# Check coolant level and refill if necessary

a Air in the coolant circuit

# see chapter "Vent coolant circuit"

Wire feed problems

a Contact tip blocked

# Clean, spray with anti-spatter spray 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

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EWM WEGA DRIVE 41 Instructions d'exploitation Page 55

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