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6.2
Troubleshooting
399
Status When Alarm Occurred
B
At control 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.
D
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.82
Absolute encoder
sum-check error
(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 control power ON
Cn-01 Bit 1 = 0
Cn-01 Bit 1 = 1
When SEN signal turned
ON, Cn-01 Bit 1 = 0
A
, B
A
During operation
(see note)
A
Cause
Remedy
A
Abnormality during absolute encoder
memory check
•
Follow absolute encoder set-up proce-
dures.
•
Replace servomotor if error occurs fre-
quently.
B
Circuit board (1PWB) defective
Replace Servopack.
6