General Troubleshooting - Lincoln Electric spirit II 150 Technical Manual

Spirit II User's Manual

General Troubleshooting

The following contains general troubleshooting guidelines for the Spirit system. Please
contact technical support for any issues not covered in this section. Before any tests
are performed, make sure that all system fuses are good; remove top cover of power
supply to check these fuses.
Problem
Power supply indicator
(white light) will not
illuminate
Power Supply will not
energize when the ON Button
is pressed
Power supply will not stay on
when the ON Button is
pressed
No arc at the torch
The arc will not transfer to
the workpiece
This information is subject to the controls of the Export Administration Regulations [EAR]. This information shall not be provided to
non-U.S. persons or transferred by any means to any location outside the United States contrary to the requirements of the EAR.
Section 6: Maintenance &Troubleshooting
Possible Cause
1. Primary disconnect fuse blown.
2. Internal power supply fuse is blown (F1A, F1B).
3. Power supply indicator light is burned out or the
associated wiring is bad.
4. Control Transformer or associated wiring bad.
1. ASC door open.
2. Low coolant level.
3. Fuse is blown (F1-F6).
4. Faulty OFF Button or associated wiring.
5. Off Relay faulty.
1. Faulty DSP board.
2. Off Relay faulty.
1. Incorrect torch consumables installed.
2. Incorrect gas pressure settings.
3. Pilot arc transistor (PAT) is not operating properly.
Check the PAT LED (D43) on the DSP
microprocessor board.
4. Damaged or loose torch lead connections.
5. Shorted torch or torch leads. Check the continuity
between the Electrode lead and the Nozzle lead to
make sure they are not shorted.
6. Open torch or torch leads. Check the continuity
from the Electrode lead to the torch electrode and
the Nozzle lead to the large brass body of the
torch.
1. Loose work ground connection.
2. Pierce height too high.
3. Incorrect, damaged, or worn consumables.
6-9