YASKAWA FS100 Maintenance Manual page 129

Alarm Alarm Name Sub
Number Code
51
500 SEGMENT PROC NOT
READY
510 SOFTWARE VERSION 50
UNMATCH
51
520 AXIS LIMIT OVER 0
Meaning Cause
Main CPU board failure
An error occurred during startup Setting error
sequence processing with the
servo CPU of 2nd Servo control
board, and the system did not
startup normally.
Connection failure
Servo control board failure
Main CPU board failure
Setting error
Main CPU board failure
1st Servo control board's interface Main CPU board failure
version is not corresponding to
Main CPU board
2nd Servo control board's Main CPU board failure
interface version is not
corresponding to Main CPU
board.
Setting error
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)Check the following settings.
·Control group settings in maintenance mode
·The Servo control board rotary switch setting (1) of the corresponding node
number (SV#2)
(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)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.
·Control group settings in maintenance mode
(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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