Yaskawa SGDB - Manual (Page 522)

6.2 Troubleshooting
513
J A.81
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.81
Absolute encoder
back-up error
(only when 12 bit
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 , C
A
, C
Cause Remedy
A The following power supplied to the
absolute encoder all failed:
• +5 V supply
• Battery (ER6V C3)
• Internal capacitor
Follow absolute encoder set-up
procedures.
B Circuit board (1PWB) defective Replace SERVOPACK.
C Absolute encoder malfunctioned Replace servomotor.
6