Selco Saber 70 chp Manuel D'instructions page 43

For the maintenance or replacement of torch components
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.
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 sy-
stem 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 sy-
stem repaired.
Cause Connection between wire feed carriage and gene-
rator incorrect or faulty.
Solution Check that the various parts of the system are prop-
erly connected.
Cause Faulty electronics.
Solution Contact the nearest service centre to have the sy-
stem repaired.
No output power (the system does not weld/cut)
Cause Faulty torch trigger button.
Solution Replace the faulty component.
Contact the nearest service centre to have the sy-
stem repaired.
All manuals and user guides at all-guides.com
Cause The system has overheated (temperature alarm -
yellow LED on).
Solution Wait for the system to cool down without switching
it off.
Cause Side cover open or faulty door switch.
Solution In order to ensure safe operation the side cover
must be closed while welding/cutting.
Replace the faulty component.
Contact the nearest service centre to have the
torch repaired.
Cause Incorrect earth connection.
Solution Earth the system correctly.
Read the paragraph "Installation ".
Cause Mains voltage out of range (yellow LED on).
Solution Bring the mains voltage within the power source
admissible range.
Connect the system correctly.
Read the paragraph "Connections ".
Cause Faulty contactor.
Solution Replace the faulty component.
Contact the nearest service centre to have the sy-
stem repaired.
Cause Faulty electronics.
Solution Contact the nearest service centre to have the sy-
stem repaired.
Incorrect output power
Cause Incorrect selection in the welding/cutting process
or faulty selector switch.
Solution Select the welding/cutting process correctly.
Cause System parameters or functions set incorrectly.
Solution Reset the system and the welding/cutting parameters.
Cause Faulty potentiometer/encoder for the adjustment
of the welding/cutting current.
Solution Replace the faulty component.
Contact the nearest service centre to have the sy-
stem repaired.
Cause Mains voltage out of range
Solution Connect the system correctly.
Read the paragraph "Connections ".
Cause Input mains phase missing.
Solution Connect the system correctly.
Read the paragraph "Connections ".
Cause Faulty contactor.
Solution Replace the faulty component.
Contact the nearest service centre to have the sy-
stem repaired.
Cause Faulty electronics.
Solution Contact the nearest service centre to have the sy-
stem repaired.
Wire feeder fails
Cause Faulty torch trigger button.
Solution Replace the faulty component.
Contact the nearest service centre to have the sy-
stem repaired.
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