Alarm List
Alarm Number (4000 to 4999)
Alarm List-910
other If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
4911 SAFETY FIELDBUS
NOT ESTABLISHED
1 PROFIsafe communication
was not established to the
default time.
Setting error (1)Reset the alarm.
(2)If the alarm occurs again, please check the following.
∙ SF(Group Fault) LED, BF(Bus Fault) LED of CP1616 board is lit or
blinking.
∙ SF(Group Fault) LED, BF(Bus Fault) LED of safety PLC board is lit or
blinking.
(3)If the above problems, there is a possibility that the connection
settings of the safety PLC or CP1616 is not successful. Please set
again according to the manual.
Software operation error
occurred
(1)Reset the alarm.
(2)If the alarm occurs again, please re-power on the safety PLC and
the robot controller.
Connection failure (1)Reset the alarm.
(2)If the alarm occurs again, please check the connection or insertion
state of cables connected to the CP1616 board and safety PLC.
CP1616 board failure (1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the CP1616 board.
YSF21 board failure (1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the YSF21 board.
other If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
10 CIP Safety communication
was not established to the
default time.(sub code is not
defined)
Software operation error
occurred
(1)Reset the alarm.
(2)If the alarm occurs again, please re-power on the safety PLC and
the robot controller.
Connection failure (1)Reset the alarm.
(2)If the alarm occurs again, please check the connection or insertion
state of cables connected to the "CN104 connector of YCP21 board"
and safety PLC.
Alarm
Number
Alarm Name
Sub
Code
Meaning Cause Remedy
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