Code ER95: IO DEVICE

MISMATCH(CHn) (Note3) When this alarm is issued with a machine which has operated normally, possible causes are: (1) The communication cable is broken or a connection failure occurs in the cable. (2) The power to an I/O device is off or is turned on too late. (3) A failure occurs in an I/O device. (4) When the power to the CNC is turned off, then on again, the power to an I/O device is kept on. When turning the power to the CNC off, then on again, be sure to turn the power to all I/O devices off, then on. When this alarm is issued during debugging of a sequence program, there are the following possible causes in addition to the above: (5) The connected I/O device configuration (type, sequence, or number of units) is invalid. (6) An invalid I/O device configuration is registered. When this alarm is issued, any inconsistent I/O device can be checked in the “I/O Device Monitor screen”. This alarm is issued when the I/O devices actually connected to the CNC is inconsistent with the I/O device configurati on registered in the I/O device connection diagnosis screen. All I/O devices connected to the channel for which this alarm was issued are not linked. The ladder program is run even when this alarm is issued.