YASKAWA MOTOMAN DX100, Руководство по обслуживанию, Страница: 352 / 729

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YSU unit failure (1)Turn the power OFF then back ON.
(2)After replacement the fuse, and then if the alarm occurred again, replace
the YSU unit. Save the CMOS.BIN before replace the YSU unit to be safe.
0000
_
1010 CPU1 detected the 3.3V low
voltage in 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.
0000
_
0110 CPU1 detected 24V power supply
voltage error in the CPU2. Connection failure (1)Turn the power OFF then back ON.
(2)If the alarm occurs again, check the connection of the following cables.
· Cable of the YSU unit(CN200 connector)
· Cable of the YPS unit(CN154 connector)
Loose fuse (1)Turn the power OFF then back ON.
(2)If the alarm occurred again, check if the fuse(F1/F2) is not removed. Fuse
is located on the front of the YSU unit.
Blown fuse (1)Turn the power OFF then back ON.
(2)If the alarm occurred again after confirmation of the fuse removal, replace
the fuse (F1/F2) of the YSU unit. Fuse is located on the front of the YSU unit.
Ground fault or a
short circuit (1)Turn the power OFF then back ON.
(2)If the alarm occurs again after replacement the fuse, check the following
content.
· Check whether neither the short circuit nor the ground fault have occurred
in the I/O cables from the external device when other alarms that show 24V
power supply error occurred at the same time.
Alarm
Number
Alarm Name Sub
Code
Meaning Cause Remedy