Alarm List
Alarm Number (1000 to 1999)
Alarm List-297
1301 COMMUNICATION
ERROR(SERVO)
0 Communication status error 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.
∙ EAXA21-CN515
∙ YIF01-CN113
YPS21 unit failure (1)Turn the power OFF then back ON.
(2) If the alarm occurs again, check the LED of the YPS21 unit: If any
of the following red LED indications; +5V or +24V, FAN, OHT has
lighten up, replace the YPS21 unit.
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.
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.
other If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
1 Watchdog timer error 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.
∙ EAXA21-CN515
∙ YIF01-CN113
YPS21 unit failure (1)Turn the power OFF then back ON.
(2) If the alarm occurs again, check the LED of the YPS21 unit: If any
of the following red LED indications; +5V or +24V, FAN, OHT has
lighten up, replace the YPS21 unit.
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.
Alarm
Number
Alarm Name Sub
Code
Meaning Cause Remedy
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