Alarm List
Alarm Number (0000 to 0999)
Alarm List-24
EAXA21 board failure (1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the EAXA21 board. Save the
CMOS.BIN before replace the board to be safe.
YPS02 unit failure (1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the YPS02 board. Save the
CMOS.BIN before replace the unit 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).
54 The communications CPU for
the servo board #5 detected
an error when the control
power turned ON.
Setting error (1)Check the following settings.
∙ Control group settings in maintenance mode
∙ The EAXA21 board rotary switch setting (4) of the corresponding
node number (SV#5)
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 cable of EAXA21 board CN509
∙ The cable of EAXA21 board connector CN515/516
∙ The PCI connector of the YIF01 board
∙ The cable of YIF01 board connector CN113
EAXA21 board failure (1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the EAXA21 board. Save the
CMOS.BIN before replace the board to be safe.
YPS02 unit failure (1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the YPS02 board. Save the
CMOS.BIN before replace the unit to be safe.
Alarm
Number
Alarm Name
Sub
Code
Meaning Cause Remedy
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