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10.2. Alarm List
10.2.1. Normal State
10.2. Alarm List
！ Caution: • The DRDY output is normally closed and it opens on abnormal
！ Caution: For the B3 and the 23 type Driver Units, the OVER signal outputs only
10.2.1. Normal State
Table 10-1
Power LED
Green
l If the Motor does not operate even in the normal state, the following described in Table 10-2
might be the cause.
Table 10-2
Power
7-seg.
LED
LED
Off
Off
Orange
Off
Green
o
à If initializing the CPU takes a time (10 seconds or more) when the power is turned on, some
part of the controller is defective. Refer to "10.3. CPU Error" for cause and remedy.
condition. The OVER output is normally open and it will be closed in
abnormal condition.
when the output signal format is set to OM3.
7-seg.LED
DRDY
o
Closed
DRDY
OVER
Motor
output
output
Open
Open
Servo-off
Open
Open
Servo-off
Closed
Open
Servo-off
OVER
Motor
Open
Servo-on
Meaning of
Indication
The power is not turned
Power off
on.
Initializing CPU
CPU is being initialized. Wait for a while.
SVON input
SVON input is not ON.
OFF
— 10-4 —
B
B
3
3
t
t
y
y
p
p
e
e
B
B
5
5
2
3
t
y
p
e
2
5
2
3
t
y
p
e
2
5
Cause
Remedy
Turn on the
power.
Make SVON
input ON.
t
t
y
y
p
p
e
e
t
y
p
e
t
y
p
e
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Troubleshooting
