
B–62075E/04
C. ERROR CODE TABLE
APPENDIX
375
Number RemarksContentsMessage displayed on CRT
SR 824 BUFFER OVERFLOW(1) The NC received more than ten characters of data from reader/
punch interface 1 even though the NC sent a stop code (DC3)
during data reception.
SR 830 DR OFF(2) The data set ready signal for reader/punch interface 2 went off.
SR 831 CD OFF(2) The signal quality detection signal for reader/punch interface 2
went off.
SR 832 OVERRUN ERROR(2) The next character was received by reader/punch interface 2 be-
fore it could read a previously received character.
SR 833 FRAMING ERROR(2) No stop bit was detected for a character received by reader/punch
interface 2.
SR 834 BUFFER OVERFLOW(2) The NC received more than ten characters of data from reader/
punch interface 2 even though the NC sent a stop code (DC3)
during data reception.
SR 840 DR OFF(3) The data set ready signal for reader/punch interface 2 went off.
SR 841 CD OFF(3) The signal quality detection signal for reader/punch interface 3
went off.
SR 842 OVERRUN ERROR(3) The next character was received by reader/punch interface 3 be-
fore it could read a previously received character
SR 843 FRAMING ERROR(3) No stop bit was detected for a character received by reader/punch
interface 3.
SR 844 BUFFER OVERFLOW(3) The NC received more than ten characters of data from reader/
punch interface 3 even though the NC sent a stop code (DC3)
during data reception.
SR 860 DATA SET READY DOWN
(ASR33/43)
The data set ready signal for the 20 mA current loop interface
went off.
SR 861 CARRIER DETECT DOWN
(ASR33/43)
The signal quality detection signal for the 20 mA current loop inter-
face went off.
SR 862 OVERRUN ERROR
(ASR33/43)
The next character was received by the 20 mA current loop inter-
face before it could read a previously received character.
SR 863 FRAMING ERROR
(ASR33/ASR44)
No stop bit was detected for a character received by the 20 mA
current loop interface.
SR 864 BUFFER OVERFLOW
(ASR33/ASR44)
The NC received more than ten characters of data from the 20 mA
current loop interface even though the NC sent a stop code (DC3)
during data reception.
SR 870 DATA SET READY DOWN
(RS422)
The data mode signal for the RS–422 interface went off.
SR 872 OVERRUN ERROR (RS422) The next character was received by the RS–422 interface before it
could read a previously received character.
SR873 FRAMING ERROR (RS422) No stop bit was detected for a character received by the RS–422
interface.
SR 874 BUFFER OVERFLOW
(RS422)
The NC received more than ten characters of data from the
RS–422 interface even though the NC sent a stop code (DC3)
during data reception.
SR 880 NOT DRAWING Communication cannot be made with the graphic CPU.
SR 890 CHECK SUM ERROR (G05) A check sum error occurred (high–speed remote buffer).
Number Message displayed on CRT Contents Remarks
OH 000 MOTOR OVERHEAT A servo motor overheated. Axis type
OH 001 LOCKER OVERHEAT The NC cabinet overheated.
Axis type : Error codes of this type are specified for each axis for which it occurs.