— 10-4 —
B
B
3
3
t
t
y
y
p
p
e
e
B
B
5
5
t
t
y
y
p
p
e
e
10.2. Alarm List
10.2.1. Normal State
2
2
3
3
t
t
y
y
p
p
e
e
2
2
5
5
t
t
y
y
p
p
e
e
10.2. Alarm List
！
Caution: • The DRDY output is normally closed and it opens on abnormal
condition. The OVER output is normally open and it will be closed in
abnormal condition.
！
Caution: For the B3 and the 23 type Driver Units, the OVER signal outputs only
when the output signal format is set to OM3.
10.2.1. Normal State
Table 10-1
Power LED 7-seg.LED DRDY OVER Motor
Green o Closed Open Servo-on
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
LED
7-seg.
LED
DRDY
output
OVER
output
Motor
Meaning of
Indication
Cause Remedy
Off Off Open Open Servo-off
Power off
The power is not turned
on.
Turn on the
power.
Orange Off Open Open Servo-off
Initializing CPU
CPU is being initialized. Wait for a while.
Green o Closed Open Servo-off
SVON input
OFF
SVON input is not ON.
Make SVON
input ON.
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.
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