YASKAWA DX100 Maintenance Manual page 525

Alarm Alarm Name Sub
Number Code
4316 PRESSURE DATA
LIMIT
4317 PRELOAD ERROR
4318 SERIAL
ENCODER
CORRECTION
LIMIT
Meaning Cause
Module
failure(motor)
Maintenance failure
Defective speed
reducer
Module
failure(brake)
Sub Code: Signifies the axis in Setting error
which the alarm occurred
Setting error
Sub Code: Signifies the axis in Connection failure
which the alarm occurred
Module
failure(encoder)
Remedy
(1)Reset the alarm.(In case of major alarm, turn the power OFF then back
ON.)
(2)If the alarm occurs again, replace the motor.
Measure the density of grease iron powder in the speed reducer and do the
maintenance.
Replace the speed reducer or the grease of it.
Check the brake voltage.
Check that the brake is not locked by malfunction of contactor.
Check the following settings.
·The gun pressure file
·The dry spotting pressure file
*Reset the pressure value in the gun pressure file below the maximum
pressure value
Adjust the gun opening.
(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
(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.