Okuma Alarm-C 3242 Post-process gauging Unable to receive


Okuma Alarm-C 3242 Post-process gauging Unable to receive
An error occurred in the receiving circuit during gauging data communication.

Character-string
CN? (RS-232C channel causing the alarm)

Code
XYYYY (YYYY is effective only when X is 6.)
X:
1->The communication tank is being initialized.
2->An RS-232C channel number is wrong.
3->The requested channel is not provided.
4->The identification message address is wrong.
5->The channel is being used for the other job.
6->Transmission error (with details)
YYYY:
bit 0->A parity error occurred.
bit 1->An overrun error occurred.
bit 2->A framing error occurred.
bit 3->A ready error occurred.
bit 4->The RS-232C device was not open for data reception.
bit 5->An overflow occurred in the reception buffer (because of too fast communication speed or large load applied to the NC).
bit 6 -> No data was found in the reception buffer. (Reception time-out error)
bit 7->Reception was ended by forced termination.

Probable Faulty Locations
1)FRP board, RPP board, communication cable
2)Power is not supplied to the post-process gauging unit.

Okuma Alarm-C 3242 Post-process gauging Unable to receive