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Sigma II User's Manual
Status and Remedy for Alarm
Incorrect or disconnected encoder
A
wiring.
B
Defective encoder.
C
Defective servo amplifier.
n
A.CC
A.CC: Multi-Turn Limit Disagreement Alarm
Display and Outputs
Status and Remedy for Alarm
Incorrectly set Multi-Turn Limit Setting
A
parameter (Pn205) in the servo
amplifier.
No Multi-Turn Lmit value set in the
B
encoder.
At power ON.
Cause of the Problem
Alarm Outputs
Alarm Code Output
ALO1
ALO2
ON
OFF
Note:
OFF:
Output transistor is OFF (alarm state).
ON:
Output transistor is ON.
At power ON.
Cause of the Problem
Chapter 9: Inspection, Maintenance, and Troubleshooting
A, B
Solution
Check wiring and connectors at
encoder.
Replace servomotor.
Replace servo amplifier.
ALM Output
ALO3
ON
OFF
A, B
Solution
Change the value in parameter
Pn205.
First verify that the Multi-Turn Limit
Setting parameter (Pn205) is set cor-
rectly in the servo amplifier. While in
the active alarm state, change the
setting in the encoder Multi-Turn Limit
Setting parameter (Pn205) using
function Fn013.
9-30
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