YASKAWA FS100 Maintenance Manual page 128

Alarm Alarm Name Sub
Number Code
400 PARAMETER 50
TRANSMISSION ERROR
51
410 MODE CHANGE ERROR 50
Meaning Cause
An error occurred during the Setting error
parameter/file transfer to the 1st
Servo control board.
Connection failure
Servo control board failure
Main CPU board failure
An error occurred during the Setting error
parameter/file transfer to the 2nd
Servo control board.
Connection failure
Servo control board failure
Main CPU board failure
An error occurred during startup Setting error
sequence processing with the
servo CPU of 1st Servo control
board, and the system did not
startup normally.
Connection failure
Servo control board failure
Remedy
(1)Check the following settings.
·Control group settings in maintenance mode
·The Servo control board rotary switch setting (0) of the corresponding node
number (SV#1)
(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
·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)Check the following settings.
·Control group settings in maintenance mode
·The Servo control board rotary switch setting (0) of the corresponding node
number (SV#1)
(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.
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