YASKAWA SGM series User Manual page 367

Display and Outputs
Digital Operator g p
Di Display and l d
Alarm Name Alarm Name
A.83
Absolute encoder
sum-check error
(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
A • Battery not connected
• Battery connection defective
B Battery voltage below specified value.
Specified value: 2.8 V.
C Circuit board (1PWB) defective
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).
Alarm Code Output
ALO1 ALO2
OFF OFF
C
A B
,
A, B
Cause
Alarm Output
ALO3
OFF OFF
OFF: Output transistor is OFF
ON: Output transistor is ON
When SEN signal turned
ON, Cn-01 Bit 1 = 0
During operation
(see note)
Remedy
Check and correct battery connection.
Install new battery and turn SEN signal (or
Servopack) ON.
Replace Servopack.
6.2 Troubleshooting
Alarm Output p
A B
,
B
A,
6
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