
8A
la
rm
DX100
8.3
A
la
rm Me
ssa
ge List
8-226
1804
M-SAFETY SELF
CHECK
ERROR(CPU1)
0
When the controller power turned
ON, CPU1 detected an error in the
watchdog detection circuit.
YSU unit failure
(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.
1805
SV M-SAFETY NO
COMMUNICATE(C
PU1)
1
The communication error (loop
back error) occurred in the EAXA
board of rotary switch was set to
"0".
Connection failure
(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)
YSU unit failure
(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.
EAXA board failure
(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.
Alarm
Number
Alarm Name
Sub
Code
Meaning
Cause
Remedy