Yaskawa SGDB User Manual
Page 526
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6.2 Troubleshooting
517
J
A.85
Display and Outputs
Digital Operator
Di l
d
Alarm Output
g
p
Display and
Alarm Name
Alarm Code Output
Alarm Output
Alarm Name
ALO1
ALO2
ALO3
p
A.85
Absolute encoder
overspeed (only
when absolute
encoder is used)
OFF
OFF
OFF
OFF
OFF: Output transistor is OFF
ON: Output transistor is ON
Status When Alarm Occurred
B
At power ON
Cn-01 Bit 1 = 0
Cn-01 Bit 1 = 1
When SEN signal turned
ON, Cn-01 Bit 1 = 0
A
A
Cause
Remedy
A
Absolute encoder turned ON at a speed
exceeding 400 min
−1
.
• For speed control (at Cn-01 Bit 1 = 1) and
for position control, turn SERVOPACK
power OFF then back ON.
• Replace servomotor if error occurs fre-
quently.
B
Circuit board (1PWB) defective
Replace SERVOPACK.
6
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