YASKAWA SGDA series

6.2Troubleshooting
357
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.83
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
C
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
,
B
A
,
B
Position control
A, B
During operation
(see note)
A,
B
Cause Remedy
A
• Battery not connected
• Battery connection defective
Check and correct battery connection.
B Battery voltage below specified value.
Specified value: 2.8 V.
Install new battery and turn SEN signal (or
Servopack) ON.
C Circuit board (1PWB) defective Replace Servopack.
Note No alarm occurs at the Servopack when a battery error (A.83) is generated. The battery error
(A.83) occurs the next time the SEN signal (or Servopack) turns ON.
However, the battery error (A.83) can be read during operation if the host controller is receiv-
ing the S-phase signal (serial data).
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