Rear Panel; Sockets Panel; Maintenance; Troubleshooting - Selco Unistep 3500 Instrucciones De Uso

3.3 Rear panel

1 Power supply cable
Connects the system to the mains.
2 230V power supply
3 Plate specifications
4 Signal cable input
5 Power cable input

3.4 Sockets panel

L1, L2, L3 Variable inductance output sockets
A higher inductance provides a "softer" arc with less
spatter whereas a lower inductance results in a more
reactive arc.
Normally, use L1 together with step 1 on the main
switch, L2 on step 2 and L3 on step 3.
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4 MAINTENANCE

Any maintenance operation must be performed by qualified
personnel only.
When the equipment is working, all the access and operating
doors and covers must be closed and locked.
Unauthorized changes to the system are strictly forbidden.
Prevent conductive dust from accumulating near the louvers
and over them.
For the maintenance or replacement of torch components,
electrode holders and/or earth cables:
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 by unau-
thorised 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.
The system fails to come on (green LED off)
Cause
Solution
Cause
Solution
Routine maintenance must be carried out on the
system according to the manufacturer's instruc-
tions.
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.
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.
The repair or replacement of any parts in the
system must be carried out only by qualified
personnel.
No mains voltage at the socket.
Check and repair the electrical system as needed.
Use qualified personnel only.
Faulty plug or cable.
Replace the faulty component.
Contact the nearest service centre to have the sys-
tem repaired.