Tube1 PID reverse error / Tube1 PID lock error / Tube1 PID overload error
Error code
- 000341 Tube1 PID overload error
- 000343 Tube1 PID reverse error 
- 000344 Tube1 PID lock error
Occurrence condition
- Ink Ejection Pump Motor cannot operate due to large motor load.
- Ink Ejection Pump Motor is rotating in reverse.
- Ink Ejection Pump Motor cannot rotate.
Assumed cause
- An abnormal load was suddenly applied to the motor, and the motor rotated in the opposite direction due to the reaction force.
- +42V power is not supplied.
- The load on the motor is greater than expected.
Related parts
- Harness polarity wrong
- Ink Ejection Pump Motor (Ink Ejection Pump Encoder)
- Gears are locked due to foreign object
- Mechanical control board
- Main Board
Troubleshooting
| Step | Confirmation and action | YES | NO |
|---|---|---|---|
| 1 | Check harness connection Is there any abnormality in the harness connected to Maintenance Unit? |
Go to step 2 | Reconnect the harness. |
| 2 | Replace the suspected part Replace the Maintenance Unit. Does the error still occur? |
Go to step 3 | End |
| 3 | Replace the suspected part Replace the Mechanical Controller Board. Does the error still occur? |
Go to step 4 | End |
| 4 | Replace the suspected part Replace the Main Board. Does the error still occur? |
Contact Epson local service representatives. | End |