YASKAWA SGM series User Manual page 369

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