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Appendix
A-6
Table A.1.2 LED indication specifications of slave group
Segment Error type LED status Error contents
FSM_00 Being in self diagnosis of internal memory 1 in this module
FSM_01 Being in self diagnosis of internal memory 2 in this module
FSM_02 Being in self diagnosis of communication
FSM_03
During power
on
Being in self diagnosis of special module interface RAM
memory
FSM_04
Normal
communication
When module communication is normal.
FSM_05 Error in self diagnosis of internal memory 1
FSM_06 Error in self diagnosis of internal memory 2
FSM_07 Error in self diagnosis of communication
FSM_08 Error in writing/reading special module
FSM_09 Error in writing/reading I/O module
FSM_10
Hardware error
Error in mounting module, Fuse problem
FSM_11
FSM_12
System
operation error
System error during operation
FSM_13
FSM_14
FSM_15
FSM_16
Abnormal
communication
Cable cut off, short
Specified length of cable is not proper
Hardware error of this module
Error in configuration of network
FSM_17
FSM_18
FSM_19
FSM_20
Not restorable
error
Hardware error of communication module
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