Rectifying faults
Checklist for rectifying faults
099-005366-EW501
31.07.2014
73
7
Rectifying faults
7.1
Checklist for rectifying faults
NOTE
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
Coolant error/no coolant flowing
Insufficient coolant flow
Check coolant level and refill if necessary
Air in the coolant circuit
"See 7.5 Vent coolant circuit chapter"
Functional errors
Machine control without displaying the signal lights after switching on
Phase failure > check mains connection (fuses)
No welding performance
Phase failure > check mains connection (fuses)
Various parameters cannot be set
Entry level is blocked, disable access lock "See 5.15 Protecting welding parameters from
unauthorised access chapter"
Connection problems
Make control lead connections and check that they are fitted correctly.
Insufficient coolant flow
Check coolant level and refill if necessary
Wire feed problems
Unsuitable or worn welding torch equipment
Adjust contact tip to wire diameter and -material and replace if necessary
Adjust wire guide to material in use, blow through and replace if necessary
Contact tip blocked
Clean, spray with anti-spatter spray and replace if necessary
Setting the spool brake (see "Setting the spool brake" chapter)
Check settings and correct if necessary
Setting pressure units (see "Inching wire electrodes" chapter)
Check settings and correct if necessary
Worn wire rolls
Check and replace if necessary
Wire feed motor without supply voltage (automatic cutout triggered by overloading)
Reset triggered fuse (rear of the power source) by pressing the key button
Kinked hose packages
Extend and lay out the torch hose package
Incompatible parameter settings
Check settings and correct if necessary
Arc between gas nozzle and workpiece (metal vapour on the gas nozzle)
Replace gas nozzle
Summary of Contents for alpha Q 352 puls MM
Page 85: ...Circuit diagrams alpha Q 352 552 Puls 099 005366 EW501 31 07 2014 85 Figure 10 2...
Page 86: ...Appendix A JOB List 86 099 005366 EW501 31 07 2014 11 Appendix A 11 1 JOB List...
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