YASKAWA DX100 Maintenance Manual page 559

Alarm Alarm Name Sub
Number Code
24
25
26
27
28
29
30
48
Meaning Cause
CPU1 detected an error of YSU unit failure
contactor 1 enable signal by the
self-diagnostic check.
CPU1 detected an error of YSU unit failure
contactor 2 enable signal by the
self-diagnostic check.
CPU1 detected an error of external YSU unit failure
overrun 2 signal by the self-
diagnostic check.
CPU1 detected an error of YSU unit failure
contactor 3 enable signal by the
self-diagnostic check.
CPU1 detected an error of external YSU unit failure
overrun 3 signal by the self-
diagnostic check.
CPU1 detected an error of YSU unit failure
contactor 4 enable signal by the
self-diagnostic check.
CPU1 detected an error of external YSU unit failure
overrun 4 signal by the self-
diagnostic check.
CPU1 detected an error of link YSU unit failure
signal between YSU unit by the
self-diagnostic check.
Remedy
(1)Reset the alarm.
(2)If the alarm occurs again, replace the YSU unit. Save the CMOS.BIN
before replacing the YSU unit to be safe.
(1)Reset the alarm.
(2)If the alarm occurs again, replace the YSU unit. Save the CMOS.BIN
before replacing the YSU unit to be safe.
(1)Reset the alarm.
(2)If the alarm occurs again, replace the YSU unit. Save the CMOS.BIN
before replacing the YSU unit to be safe.
(1)Reset the alarm.
(2)If the alarm occurs again, replace the YSU unit. Save the CMOS.BIN
before replacing the YSU unit to be safe.
(1)Reset the alarm.
(2)If the alarm occurs again, replace the YSU unit. Save the CMOS.BIN
before replacing the YSU unit to be safe.
(1)Reset the alarm.
(2)If the alarm occurs again, replace the YSU unit. Save the CMOS.BIN
before replacing the YSU unit to be safe.
(1)Reset the alarm.
(2)If the alarm occurs again, replace the YSU unit. Save the CMOS.BIN
before replacing the YSU unit to be safe.
(1)Reset the alarm.
(2)If the alarm occurs again, replace the YSU unit. Save the CMOS.BIN
before replacing the YSU unit to be safe.