YASKAWA DX100 Maintenance Manual page 532

Alarm Alarm Name Sub
Number Code
4330 BROKEN SPEED
MONITOR LINE
4331 SPEED MONITOR
LEVEL ERROR
Meaning Cause
XEI01 board failure
COV03 board failure 1)Turn the power OFF then back ON.
EAXA board failure
Connection failure
Connection failure
EAXA board failure
Remedy
1)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.
·XEI01 board
(2)If the alarm occurs again, check the connection and inserting state of the
following cables and connectors.
·COV03 board
(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.
(1)Reset the alarm.(In case of major alarm, turn the power OFF then back
ON.)
(2)If the alarm occurs again, replace the following cables.
·Cable between the EAXB01 board and XEI01 board
(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.
·Speed monitor unit
(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.