Alarm List
Alarm Number (4000 to 4999)
Alarm List-605
Connection failure (1)Turn the power OFF then back ON.
(2)If the alarm occurs again, check the connection and insertion of the
following cables and connectors.
∙The Mǁ communications cable which I/O module of the corresponding
node number
∙ (In case of M ǁ communications last station) Terminator
∙ 24V power of the corresponding I/O module
I/O module failure (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.
YIF01 board failure (1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the YIF01 board. Save the
CMOS.BIN before replace the board to be safe. Replace the YIF01
board, and then load the CMOS.BIN saved before alarm occurred.
other If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
15 An error was detected in
communications timeout with
the I/O module board
connected with 15th serial bus
when the control power turned
ON.
Setting error (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
Connection failure (1)Turn the power OFF then back ON.
(2)If the alarm occurs again, check the connection and insertion of the
following cables and connectors.
∙The Mǁ communications cable which I/O module of the corresponding
node number
∙ (In case of M ǁ communications last station) Terminator
∙ 24V power of the corresponding I/O module
I/O module failure (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.
Alarm
Number
Alarm Name
Sub
Code
Meaning Cause Remedy
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