Alarm List
Alarm Number (1000 to 1999)
Alarm List-381
YSF21 board failure (1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the YSF21 board.
YSF25 board failure (1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the YSF25 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).
2 Machine Safety received an
offline command.
Connection failure Check the connection of the MII cable between YSF21 board and
YSF22 board. And check if a terminator is connected.
YSF21 board failure (1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the YSF21 board.
YSF25 board failure (1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the YSF25 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).
3 There was no response from
Function Safety with in the
time limit.
Connection failure Check the connection of the MII cable between YSF21 board and
YSF22 board. And check if a terminator is connected.
YSF21 board failure (1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the YSF21 board.
YSF25 board failure (1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the YSF25 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).
4 Machine Safety was not able
to detect the first of the
sequential number.
Connection failure Check the connection of the MII cable between YSF21 board and
YSF22 board. And check if a terminator is connected.
YSF21 board failure (1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the YSF21 board.
YSF25 board failure (1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the YSF25 board.
Alarm
Number
Alarm Name Sub
Code
Meaning Cause Remedy