Sigma II User’s Manual
Chapter 9: Inspection, Maintenance, and Troubleshooting
9 - 24
A.86
A.86: Encoder Overheated
Display and Outputs
Note:
OFF:
Output transistor is OFF (alarm state).
Status and Remedy for Alarm
Alarm Outputs
Alarm Code Output
ALM Output
ALO1
ALO2
ALO3
OFF
OFF
OFF
OFF
Cause of the Problem
Solution
A
The ambient temperature of the
servomotor is high.
Alter conditions so that the ambi-
ent temperature goes below 40°C
B
Servomotor is operating under
overload.
Reduce load.
C
Circuit board (1PWB) defective.
Replace servo amplifier.
D
Encoder defective.
Replace servo amplifier.
During servomotor operation.
When the control panel
is turned ON.
A, B
C, D
Содержание SGMAH
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