YASKAWA FS100 Maintenance Manual page 113

Alarm Alarm Name Sub
Number Code
50
51
60 COMMUNICATION 0
ERROR
(I/O MODULE)
1
Meaning Cause
The system program of Servo Software operation error
control board #1 is damaged. occurred
Servo control board failure
The system program of Servo Software operation error
control board #2 is damaged. occurred
Servo control board failure
The IO module board connected Software operation error
with 0th serial bus exists. occurred
Main CPU board failure
An error was detected in Setting error
communications with the I/O
module board connected with 1st
serial bus when the control power
turned ON.
Connection failure
Board failure
(I/O module)
Main CPU board failure
Remedy
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the controller. Save the CMOS.BIN before
replacement to be safe.
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the controller. Save the CMOS.BIN before
replacement to be safe.
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the controller. Save the CMOS.BIN before
replacement to be safe.
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the controller. Save the CMOS.BIN before
replacement to be safe.
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the controller. Save the CMOS.BIN before
replacement to be safe.
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the controller. Save the CMOS.BIN before
replacement to be safe.
1)Check the following settings.
·The rotary switch setting which specifies slot numbers of each I/O module
·I/O module settings in maintenance mode
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, check the connecting or inserting state of the
following cables or connectors.
·IO module cable of the corresponding slot.
·Terminator
·24V power of the corresponding IO module.
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the following board. Save the CMOS.BIN
before replace the board to be safe.
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the controller. Save the CMOS.BIN before
replacement to be safe.
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