YASKAWA DX100 Maintenance Manual page 303

Alarm Alarm Name Sub
Number Code
1333 POSITION
ERROR(SERIAL
ENCODER)
Meaning Cause
Connection failure
Noise interference
EAXA board failure
Connection failure
Noise interference
Remedy
(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 insertion of the
following cables and connectors.
[Robot axis]
· Cable between encoders
· EAXA-CN508
[External axis]
· Cable between encoders
· EAXB-CN0534,535,536
Check the following settings.
· Check the grounding condition of Manipulator.
· Install a ferrite core to the motor power line.
(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 replace the board to be safe.
(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 insertion of the
following cables and connectors.
[Robot axis]
· Cable between encoders
· EAXA-CN508
[External axis]
· Cable between encoders
· EAXB-CN0534,535,536
Check the following settings.
· Check the grounding condition of Manipulator.
· Install a ferrite core to the motor power line.