Rectifying faults
Machine faults (error messages)
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099-002050-BOC01
30.11.2009
7
Rectifying faults
All machines are subject to rigorous production checks and final checks. If despite this, anything fails to
work at any time, please check the machine using the following chart. If none of the fault rectification
procedures described leads to the correct functioning of the machine, please inform your authorised
dealer.
7.1
Machine faults (error messages)
• Document machine errors and inform service staff as necessary.
The following functional errors are indicated:
Error display
Meaning
Possible cause
Fault elimination
on
Excess
temperature
Duty cycle of the machine
has been exceeded.
Allow the machine to cool down
whilst still switched on.
flashing
Overvoltage
(primary)
Main supply voltage too
high (e.g. during generator
operation).
Check mains supply voltage and
correct as necessary (replace
generator if necessary).
7.2
Customer checklist
Switch on machine at the mains
switch
Yes
Machine ready for operation
("Ready for operation" signal light is on,
fan is running)
No
• Mains plug not inserted
• Mains
fuse
faulty
• Mains
supply
interrupted
Yes
Welding current flowing
No
• Electrode holder or workpiece lead not
connected
• Functional error (see chap. Error
messages)
Yes
Good welding properties
No
• Incorrect material composition / electrode
type
• Electrodes and workpiece leads wrongly
connected (follow manufacturer’s
instructions for electrodes)
• Electrode
dirty
• Insufficient electrical contact of the
workpiece connection
• Excess temperature (see chap. Error
messages)
