YASKAWA DX100 Maintenance Manual page 363

Alarm Alarm Name Sub
Number Code
13
14
1817 SV M-SAFETY 0
CRC
ERROR(CPU2)
Meaning Cause
The communication error occurred YSU unit failure
between the EAXA board and the
YSU unit.
The communication control IC of YSU unit failure
YSU unit detected the error.
Connection failure
YSU unit failure
EAXA board failure
Remedy
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the YSU unit. Save the CMOS.BIN
before replace the YSU unit to be safe.
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the YSU unit. Save the CMOS.BIN
before replace the YSU unit to be safe.
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, check the connection of the following
communication cables.
·The communication cable between EAXA board (CN518 connector) and
YSU unit (CN202 connector)
(3)After confirmation of the communication cable connection, and then if the
alarm occurred again, replace the communication cable below.
· The communication cable between EAXA board (CN518 connector) and
YSU unit (CN202 connector)
(1)Turn the power OFF then back ON.
(2)After replacement the communication cable, and then if the alarm
occurred again, replace the YSU unit. Save the CMOS.BIN before replace
the YSU unit to be safe.
(1)Turn the power OFF then back ON.
(2)After replacement the YSU unit, and then if the alarm occurred again,
replace the EAXA board. Save the CMOS.BIN before replace the EAXA
board to be safe.