Alarm List
Alarm Number (4000 to 4999)
Alarm List-695
other If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
4311 ENCODER BACK-UP
ERROR
Sub Code: Signifies the axis
in which the alarm occurred
Module failure
(encoder battery)
{AL-4314 occurred}
Replace the battery of the axis in which the error occurred.
{AL-1327 occurred}
Replace the battery of the axis in which the alarm occurred. If the
home position of the corresponding axis is displayed as "***", register
the home position again.
AL-1327 occurs due to the battery disconnection (weak battery),
causing undefined alarm data.
If the alarm doesn't occur after turning the power OFF and then ON,
there is no problem.
Connection failure (1)Reset the alarm.
(2)If the alarm occurs again, check the connection and inserting state
of the following cables and connectors.
[Robot axis]
∙ Cable between encoders
∙ EAXA21-CN508
[External axis]
∙ Cable between encoders
∙ EAXB21-CN0534,535,536
Module failure (encoder) (1)Reset the alarm.
(2)If the alarm occurs again, replace the encoder.
EAXA21 board failure (1)Reset the alarm.
(2)If the alarm occurs again, replace the EAXA, EAXB board. Save the
CMOS.BIN before replacing the board to be safe.
other If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
4312 ENCODER BATTERY
ERROR
Module failure
(encoder battery)
Replace the battery.
Alarm
Number
Alarm Name
Sub
Code
Meaning Cause Remedy
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