Troubleshooting
3Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| Generator does not start | Faulty main board assembly | Check the main board and replace if necessary |
| Voltage regulation issue | Incorrect voltage setting on the control circuitry | Adjust the voltage settings as per the recommended values |
| Servo amplifier malfunction | Damaged servo amplifier | Replace the damaged servo amplifier |
Fault codes and symptom→remedy steps extracted from this unit’s service/owner documentation; verify against the official manual before servicing.
About
Lincoln Electric ST450 — welder. Specifications and parts compiled from manufacturer documents.