Front Control Panel; Maintenance; Troubleshooting - voestalpine Böhler MB 25 DgMig Instrucciones De Uso

3.2 Front control panel

1 7-segment display
It shows general power source information during start-
up, during welding operations (settings and readings of
output current and voltage) and during fault conditions
(alarm codes).
The display of the current and/or voltage measurements
is enabled during welding operations and for a few sec-
onds after welding is over.
The display of the measurements is replaced by the set
value as soon as any modification is carried out manually.
2 Welding parameters
Welding current - Wire speed
Arc length - Welding voltage
Program retrieval
N.4 External parameter (Consult the "Set up" - power
source section)
3 Selection key
It allows the required welding parameter to be selected:
- welding current / wire speed
- arc length / welding voltage
- program
4 Up-Down button
They enable the welding parameters and program
selection/adjustment.
The up and down buttons are self-repeating at progres-
sive speed (the function is enabled when the system is
powered - the function is disabled during welding).
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4 MAINTENANCE

Routine maintenance must be carried out on the
system according to the manufacturer's instruc-
tions.
Any maintenance operation must be performed by qualified
personnel only.
Unauthorized changes to the system are strictly forbidden.
Disconnect the power supply before every opera-
tion!
Carry out the following periodic checks on the
power source:
- Clean the power source inside by means of low-
pressure compressed air and soft bristle brushes.
- Check the electric connections and all the con-
nection cables.
For the maintenance or replacement of torch components,
electrode holders and/or earth cables:
Check the temperature of the component and
make sure that they are not overheated.
Always use gloves in compliance with the safety
standards.
Use suitable wrenches and tools.
Failure to carry out the above maintenance will invalidate all
warranties and exempt the manufacturer from any liability.

5 TROUBLESHOOTING

The repair or replacement of any parts in the
system must be carried out only by qualified
personnel.
The repair or replacement of any parts in the system by
unauthorised personnel will invalidate the product warranty.
The system must not be modified in any way.
The manufacturer disclaims any responsibility if the user
fails to follow these instructions.
Wire feeder fails
Cause Faulty torch trigger button.
Solution Replace the faulty component.
Contact the nearest service centre to have the sys-
tem repaired.
Cause Damaged torch liner.
Solution Replace the faulty component.
Contact the nearest service centre to have the sys-
tem repaired.
Cause Melted torch nozzle (wire stuck)
Solution Replace the faulty component.