Sigma II User’s Manual Chapter 9: Inspection, Maintenance, and Troubleshooting
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A.32
A.32: Regenerative Overload
Display and Outputs
Note OFF: Output transistor is OFF (alarm state).
ON: Output transistor is ON.
Status and Remedy for Alarm
Alarm Outputs
Alarm Code Output
ALM Output
ALO1 ALO2 ALO3
ON ON OFF OFF
Cause of the Problem Solution
A
Regenerative power exceeds the
limit.
Use an external regenerative
resistor that matches the regener-
ative power capacity.
B
Alarm occurs although an exter-
nal regenerative resistor is used
and the temperature rise of the
regenerative resistor is small.
Correct parameter Pn600.
During servomotor operation.
A, B
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