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1812
SV M-SAFETY
BROKEN
LINE(CPU2)
0
The communication between the
EAXA board and the YSU unit are
disconnected.
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.
1813
M-SAFETY
INITIALIZE
ERROR(CPU2)
Failed to initialize the CPU2 when
the control power turned ON.
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.
1814
M-SAFETY CPU
ERROR(CPU2)
0
Watch dog time out occurred in the
CPU2 of the YSU unit.
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.
2
An error occurred in the CPU2 in
mutual monitoring of the CPU1
and the CPU2.
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.
1815
M-SAFETY SELF
CHECK
ERROR(CPU2)
0
When the controller power turned
ON, CPU2 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.
Alarm
Number
Alarm Name
Sub
Code
Meaning
Cause
Remedy