YASKAWA SGDA series

6.2Troubleshooting
359
Display and Outputs
Digital Operator
Di l
d
Alarm Output
g
p
Display and
Alarm
Name
Alarm Code Output
Alarm Output
Al
arm
N
ame
ALO1 ALO2 ALO3
p
A.85
Absolute encoder
overspeed (only if
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
Speed control
Cn-01 Bit 1 = 0
Speed control
Cn-01 Bit 1 = 1
When SEN signal turned
ON, Cn-01 Bit 1 = 0
A
A
Position control
A
Cause Remedy
A Absolute encoder turned ON at a speed
exceeding 400 r/min.
Turn ON encoder power supply (or SEN
signal or Servopack power supply) at a
speed not exceeding 400 r/min.
B Circuit board (1PWB) defective Replace Servopack.
6