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7 MAINTENANCE
Regular maintenance is important for safe, reliable operation.
CAUTION!
All guarantee undertakings from the supplier cease to apply if the customer himself
attempts any work in the product during the guarantee period in order to rectify any faults.
Only those persons who have appropriate electrical knowledge (authorized
personnel) may remove the safety plates.
7.1 Inspection and cleaning
Power source
Check regularly that the welding power source is not clogged with dirt.
How often and which cleaning methods apply depend on: the welding process, arc
times, placement, and the surrounding environment. It is normally sufficient to blow
down the power source with dry compressed air (reduced pressure) once a year.
Clogged or blocked air inlets and outlets otherwise r esult in overheating.
Welding torch
The welding torch’s wear parts should be cleaned and replaced at regular intervals in
order to achieve trouble--free welding.
8 FAULT--TRACING
Try these recommended checks and inspections before sending for an authorised
service technician.
Type of fault Corrective action
No arc. S Check that the mains power supply switch is turned on.
S Check that the welding current supply and return cables are
correctly connected.
S Check that the correct current value is set.
The welding current is
interrupted during welding.
S Check whether the overheating protection has operated (fault
code E6 is displayed on the control panel).
S Check the mains power supply fuses.
The overheating protection trips
frequently.
S Make sure that you are not exceeding the rated data for the
welding power source (i.e. that the unit is not being
overloaded).
Poor welding performance. S Check that the welding current supply and return cables are
correctly connected.
S Check that the correct current value is set.
S Check that the correct electrodes are being used.
S Check the mains power supply fuses.
GB
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