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Inspection, Maintenance, and Troubleshooting
9.2.1 Troubleshooting Problems with Alarm Displays
9 -20
J
J
A.84
A.84: Absolute Encoder Data Error
Display and Outputs
Alarm Outputs
Alarm Code Outputs
ALM
Output
ALO1
ALO2
ALO3
Output
OFF
OFF
OFF
OFF
Note
OFF: Output transistor is OFF (alarm state).
Status and Remedy for Alarm
At power ON
A
During operation
B
Cause
Remedy
A
Faulty encoder.
Replace the Servomotor is the problem oc-
curs often.
B
Operational error in encoder caused by exter-
nal noise.
Check and correct wiring around the encoder
(grounding of the Servomotor, separation be-
tween the encoder cable and the servomotor
power cable, insertion of toroidal cores onto
cables, etc.).
9
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