Sigma II User’s Manual
Chapter 9: Inspection, Maintenance, and Troubleshooting
9 - 17
A.74
A.74: Overload of Surge Current Limit Resistor
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
ON
OFF
Cause of the Problem
Solution
A
Frequently turning the main circuit
power ON/OFF.
Do not repeatedly turn ON/OFF
the main circuit power.
B
Defective circuit board (1PWB).
Replace servo amplifier.
When main circuit power
is turned ON or OFF.
At power ON.
A
B
Содержание SGMAH
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