Alarm 3000 (Servo Unready); Alarm 3001 (Control Not Ready) - YASKAWA YASNAC i80 Maintenance Manual

4.2 TROUBLESHOOTING BY ALARM CODES

4.2.8 ALARM 3000 (SERVO UNREADY)

Cause of Trouble
Secondary power supply
is not applied.
In case of automatic
servo power application
1/0 input specification is
not activated by
secondary power supply.
Emergency stop input.
Secondary power supply
was tripped by other
alarm.
4.2.9 ALARM 3001
This type
range of pm1321 (lst-axis) to pm1328
power application and self-diagnosis.
Cause of Trouble
Machine is running
PG signal keeps feeding.
92
Table 4.10
C h e c k M e t h o d
This is a normal result when depressing
NC RESET after primary power applica-
tion, or resetting emergency stop alarm, "
etc.
Ensure that it is set to
1/0 Signal #3005 Do= 1 (SVON)
#3503 Do= 1 (SVONS)
Check if ALM3002 displays, or #3503
Check for other alarm display.
(CONTROL NOT READY)
of alarm results when position lag exceeds the
Table 4.11
Check Method
I
Select ERROR PULSE display screen
from common process current value
display and read the values of X-, Y-, Z-,
4th and 5th. axis.
(Cent'd)
S o l u t i o n
Depress POWER ON
button again.
Check wiring and
sequence.
Reset emergency stop
input.
Take corrective action
according to alarm code.
(8th-axis) after
Solution
This is a problem of the
machine side rather than
failure of NC unit.
Contact machine manu-
facturer.
Replace PG or servo.
Contact your YASKAWA
representative.
Replace FC300B.
Contact your YASKAWA
representative.