BTK PID reverse error / BTK PID lock error / BTK PID overload error

Error code
  • 000321 BTK PID overload error
  • 000323 BTK PID reverse error
  • 000324 BTK PID lock error
Occurrence condition
  • The Belt Tension Release Motor cannot operate due to large motor load
  • The Belt Tension Release Motor is rotating in reverse
  • The Belt Tension Release 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.
  • Power is not supplied to the motor, or the motor cannot rotate at all.
  • The load of the Belt Tension Release Motor is more than expected
Related parts
  • Harness polarity wrong
  • Belt Tension Release Motor
  • Gears are locked due to foreign object
  • Gear trains are damaged or locked by foreign object
  • Mechanical control board
  • Main Board
  • Belt Tension Release mechanism is locked
Troubleshooting
Step Confirmation and action YES NO
1

Check for foreign objects

Check the conveyor belt for foreign objects.

Is it free from foreign objects or abnormalities?

Go to step 2 Remove foreign objects.
2

Check for foreign objects
Check to see if the belt tension release mechanism is locked due to foreign objects or damaged gear trains.

Is it free from foreign objects or abnormalities?

Go to step 3 Remove foreign objects.
If the gear trains are damaged, replace the belt tension release mechanism.
3 Check sensor operation
Check the sensor using the Belt Tension HP Sensor operation check menu. Does the sensor operate normally?
End Go to step 4
4 Replace the suspected part
Replace the mechanical control board and then the Main Board.
Does the error still occur?
Contact Epson local service representatives. End