| Fanuc 6T Error Details |
|---|
| Item | Cause | Check procedure | Countermeasure |
| 1 | Velocity control unit (OVC, TGLS lamp) | Check alarm lamp (OVC, TGLS lamp) on PCB in NC. | Take away the cause of alarm |
| 2 | Fuse in velocity control blows | Check the fuse on power part of velocity control unit and firing circuit PCB | Take away cause of fuse blowing. |
| 3 | Overheat of trans transformer for servo | Check whether the transformer is too how to touch by hand. | Wait for the transformer to cool for 20-30 minutes. |
| 4 | Signal from machine | Check the setting of machine operation. Emergency stop is OFF and operation ready is ON. | Set the correct setting. |
| 5 | Trouble in position control and/or velocity control unit | Check for trouble by changing if there is a spare PCB | Replace the PCB with a spare one (Master PCB or Velocity control PCB). |
| 6 | Power supply voltage is abnormal | Check the control and velocity unit voltage. | Repair the fault |
| 7 | Connection trouble | Check the connection of velocity control unit and position control. | Repair the fault |
