YASKAWA MOTOMAN DX100, Maintenance Manual, Page: 523 / 729

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Module
failure(encoder) (1)Reset the alarm.(In case of major alarm, turn the power OFF then back
ON.)
(2)If the alarm occurs again, replace the encoder.
EAXA board failure (1)Reset the alarm.(In case of major alarm, turn the power OFF then back
ON.)
(2)If the alarm occurs again, replace the EAXA board. Save the CMOS.BIN
before replacing the board to be safe.
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.
Connection failure (1)Reset the alarm.(In case of major alarm, turn the power OFF then back
ON.)
(2)If the alarm occurs again, check the connection and inserting state of the
following cables and connectors.
[Robot axis]
·Cable between encoders
·EAXA-CN508
[External axis]
·Cable between encoders
·EAXB-CN0534,535,536
Module
failure(encoder) (1)Reset the alarm.(In case of major alarm, turn the power OFF then back
ON.)
(2)If the alarm occurs again, replace the encoder.
Connection failure (1)Reset the alarm.(In case of major alarm, turn the power OFF then back
ON.)
(2)If the alarm occurs again, check the connection and inserting state of the
following cables and connectors.
·Manipulator cable
Alarm
Number
Alarm Name Sub
Code
Meaning Cause Remedy