Maintenance; Troubleshooting - voestalpine Böhler TERRA 180 TLH Instrucciones De Uso

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4.6 ST...U/D series torches
The U/D series torches are digital TIG torches allowing the main
welding parameters to be controlled:
- welding current
(Consult the "Set up" section).
"Consult the instruction manual".

5 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.
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.
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.
30

6 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 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
No mains voltage at the socket.
Solution
Check and repair the electrical system as needed.
Use qualified personnel only.
Cause
Faulty plug or cable.
Solution
Replace the faulty component.
Contact the nearest service centre to have the sys-
tem repaired.
Cause
Line fuse blown.
Solution
Replace the faulty component.
Cause
Faulty on/off switch.
Solution
Replace the faulty component.
Contact the nearest service centre to have the sys-
tem repaired.
Cause
Faulty electronics.
Solution
Contact the nearest service centre to have the sys-
tem repaired.
No output power (the system does not weld)
Cause
Faulty torch trigger button.
Solution
Replace the faulty component.
Contact the nearest service centre to have the sys-
tem repaired.
Cause
The system has overheated (temperature alarm -
yellow LED on).
Solution
Wait for the system to cool down without switching
it off.
Cause
Incorrect earth connection.
Solution
Earth the system correctly.
Read the paragraph "Installation ".
Cause
Faulty electronics.
Solution
Contact the nearest service centre to have the sys-
tem repaired.
Incorrect output power
Cause
Incorrect selection in the welding process or faulty
selector switch.
Solution
Select the welding process correctly.
Replace the faulty component.
Contact the nearest service centre to have the sys-
tem repaired.
Cause
System parameters or functions set incorrectly.
Solution
Reset the system and the welding parameters.

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