930: CPU error has generated.
Alternatively, a FANUC I/O Link cable wire has broken, or the
power of the master or another slave has been switched off.
1) Base PC board or CPU card is faulty
An interrupt which will not occur during usual operation has
Peripheral circuit of the CPU may be abnormal. Change the base PC
board or CPU card. If operation is performed normally by power off
and on, noise may be a cause. Refer to Section. 2.14 “Suppressing
2) Memory module is faulty
Replace the memory module.
When the base PC board and memory module are
replaced, all the data stroed in memory is lost. Set data
again, referring to Chapter 3 “INPUT AND OUTPUT OF
3) FANUC I/O Link slave functions
⋅ Poor contact in connector JD1A or JD1B
⋅ The power for the I/O Link master unit is off.
⋅ The power for another I/O Link slave unit is off.
Causes and Remedies